Win At Business And Life In An AI World

RESOURCES

  • Jabs Short insights and occassional long opinions.
  • Podcasts Jeff talks to successful entrepreneurs.
  • Guides Dive into topical guides for digital entrepreneurs.
  • Downloads Practical docs we use in our own content workflows.
  • Playbooks AI workflows that actually work.
  • Research Access original research on tools, trends, and tactics.
  • Forums Join the conversation and share insights with your peers.

MEMBERSHIP

HomeForumsAI for Personal Finance & Side IncomeUsing AI to Set Resale Prices on eBay, Poshmark & Facebook Marketplace — A Beginner’s Guide

Using AI to Set Resale Prices on eBay, Poshmark & Facebook Marketplace — A Beginner’s Guide

Viewing 5 reply threads
  • Author
    Posts
    • #126155
      Ian Investor
      Spectator

      Hello — I’m a part-time reseller using eBay, Poshmark and Facebook Marketplace. I’m not very techy but I’d like to use AI to help set fair, competitive resale prices without spending hours researching.

      My question: What simple, practical AI tools and step-by-step workflows would you recommend for pricing listings? I’m looking for approaches that are easy to use on a phone or laptop.

      Specifically, I’d love tips on:

      • What basic data to gather (condition, brand, recent sold listings, etc.)
      • Low-cost or free AI apps/services that work for beginners
      • Sample prompts or templates I can copy and paste
      • How to check results and adjust prices safely
      • Any marketplace rules or privacy concerns to watch for

      If you have a short step-by-step example or a sample prompt you use, please share. Thanks — I appreciate clear, non-technical answers and real-world examples!

    • #126162
      Jeff Bullas
      Keymaster

      Sell smarter, not harder: use simple data + an AI prompt to set resale prices that cover costs, win buyers, and make a profit.

      Across eBay, Poshmark and Facebook Marketplace the rules differ — fees, buyer behaviour and shipping expectations change. This guide gives a quick, practical workflow you can run today, even if you’re non-technical.

      What you’ll need

      • Smartphone with good photos of the item.
      • Notes: purchase cost, item condition, and preferred profit margin.
      • Quick access to recent sold prices (search “sold listings” on eBay or look at similar posts).
      • Calculator or simple spreadsheet (Google Sheets/Excel).
      • An AI tool (Chat-style assistant) to suggest price ranges and listing copy.

      Step-by-step (do this now)

      1. Gather 5–10 sold comps for the same or similar item and note low/high/median prices.
      2. Estimate costs: purchase cost + shipping estimate + marketplace fees (eBay ~10–12%, Poshmark ~20%, FB local usually 0–10% if shipping).
      3. Calculate a baseline price: target_price = (cost + shipping) / (1 – fee_rate – desired_margin). Use this as a starting point.
      4. Ask the AI for a recommended price range, suggested title, and 3 listing bullets tailored to each platform.
      5. List at the recommended price. Monitor views and offers for 48–72 hours. If slow, try a modest price drop or featured upgrade.

      Example

      Vintage leather jacket: purchase $20, shipping $8, target margin 40%, platform fee 12%.
      Baseline: (20+8)/(1-0.12-0.40)=28/0.48≈$58. Start listing at $75 (room to negotiate), expect fees ~$9, net profit ≈$38.

      Common mistakes & fixes

      • Mistake: Ignoring fees. Fix: Always subtract marketplace fees before deciding profit.
      • Mistake: One price fits all. Fix: Price for each platform’s audience and fees.
      • Mistake: Poor photos and vague titles. Fix: Use 6 clear photos and include brand, size, condition in the title.

      Copy-paste AI prompt (use this)

      You are an ecommerce pricing assistant. I have a [item name], condition: [new/good/fair], purchase cost $[X], shipping estimate $[Y]. Recent sold listings show low $[A] high $[B]. Marketplaces: eBay (fees 12%), Poshmark (fees 20%), Facebook Marketplace (local seller, fees 0–5%). Suggest a recommended listing price range for each marketplace, a 1-line title and 3 bullet points highlighting value, plus two discount strategies (percent or time-based). Explain your reasoning briefly.

      Action plan (next 48 hours)

      1. Collect 5 sold comps and take 6 photos.
      2. Run the AI prompt above with your numbers.
      3. List one item on each platform using the AI title/bullets.
      4. Monitor for 72 hours, adjust price by 10% if necessary.
      5. Log results and repeat — treat it like a small experiment.

      Small experiments win. Use data, confirm with real sales, and let AI speed the thinking — but always validate with real-world results.

    • #126166
      aaron
      Participant

      Sell smarter: set prices that cover costs, win buyers and actually make money.

      Problem: most resellers underprice or ignore platform differences. The result: low margins, long listing times, and time wasted relisting. This is fixable with a simple, repeatable process and a single AI prompt.

      Why it matters: price is the fastest lever to improve cash flow. Get pricing right and you sell more, faster, with predictable profit per item.

      Quick lesson: I’ve tested this across hundreds of listings: a clear, platform-adjusted price + one strong title and 3 targeted bullets increases sell-through and reduces time-on-market by half.

      What you’ll need

      • Smartphone (6 clear photos: front, back, label, flaws, close-up, lifestyle).
      • Numbers: purchase cost, shipping estimate, desired profit margin.
      • 5–10 sold comps (search “sold listings” on eBay or similar recent posts).
      • Calculator or simple spreadsheet.
      • An AI chat tool to generate prices and listing copy.

      Step-by-step — do this now

      1. Collect 5–10 sold comps and record low / median / high prices.
      2. Calculate baseline: baseline = (cost + shipping) / (1 – fee_rate – desired_margin). Use each platform’s fee_rate.
      3. Run the AI prompt (copy-paste below) to get platform-specific price ranges, a 1-line title and 3 bullets per platform.
      4. List at the upper end of the recommended range to leave room for offers; expect to receive offers or sell within 48–72 hours if priced competitively.
      5. After 72 hours: if views < target or no offers, drop price by 8–12% or refresh photos/title; relist if necessary.

      AI prompt (copy-paste)

      You are an ecommerce pricing assistant. I have a [item name], brand [brand if any], condition: [new/good/fair], purchase cost $[X], shipping estimate $[Y]. Recent sold listings show low $[A] high $[B] median $[M]. Marketplaces: eBay (12% fees), Poshmark (20% fees), Facebook Marketplace (local or shipping, fees 0–5%). For each marketplace, suggest: 1) a recommended listing price range, 2) a 1-line title, 3) three listing bullets tailored to that audience, 4) two discount strategies (percent and time-based). Show the calculation for the baseline price and explain your reasoning in one short sentence.

      Metrics to track

      1. Views per listing / day (target 15–50).
      2. Offers / messages per listing (target 1–3 within 72 hours).
      3. Sell-through rate (items sold ÷ items listed) — aim for 20%+ weekly.
      4. Net profit per item after fees and shipping.
      5. Days to sale (goal: ≤7 days for most clothes, ≤14 for speciality items).

      Common mistakes & fixes

      • Ignoring fees: Recalculate baseline with fee_rate before setting final price.
      • One-price-fits-all: Adjust for each platform’s audience and fees; list higher on platforms with negotiation culture.
      • Bad photos: Fix: use natural light, plain background, 6 shots.

      7-day action plan

      1. Day 1: Pick 5 items, gather comps, take photos.
      2. Day 2: Run AI prompt and prepare listings for each platform.
      3. Day 3: Publish listings (stagger times across platforms).
      4. Days 4–6: Monitor metrics daily; respond to messages within 2 hours.
      5. Day 7: Adjust pricing or relist based on results and log outcomes.

      Your move.

    • #126173

      Nice point — you’re right: price moves the needle fastest. That insight alone cuts a lot of guesswork. To reduce stress, build small, repeatable habits so pricing becomes a calm routine rather than a scramble.

      Below is a compact, practical routine you can run now. It lists what you’ll need, step-by-step actions, and realistic expectations so you can stay steady and learn quickly.

      What you’ll need

      • Smartphone with 6 clear photos (front, back, label, flaws, close-up, one contextual).
      • Basic numbers: purchase cost, shipping estimate, desired profit margin.
      • 5–10 sold comps (recent similar sold listings).
      • Calculator or spreadsheet and an AI chat tool to summarize ranges and copy.
      • Simple tracking sheet (dates, price, views, offers, sale price, net profit).

      Step-by-step routine (do this in one sitting — ~45–60 minutes)

      1. Collect comps: find 5 sold prices and note low, median, high. This gives market context.
      2. Calculate your baseline: baseline = (cost + shipping) / (1 – fee_rate – desired_margin). Do this per platform (fees differ).
      3. Set an initial listing price: start at the upper end of the competitive range to allow negotiation, or the median if you want a quicker sale.
      4. Ask your AI tool to translate your numbers into a concise title and three bullets for each platform — give it the item name, condition, comps and your baseline numbers (don’t paste a long prompt; keep it short and numeric).
      5. Publish the listing and set a 48–72 hour check-in reminder. If no offers and views are low, refresh photos or lower price by 8–12%.

      Simple stress-reduction practices

      1. Batch tasks: photo session for 5 items at once, then a separate block for pricing/listing. Batching saves decision fatigue.
      2. Use templates: keep one title format and three bullet templates you tweak — saves time and keeps listings consistent.
      3. Price ladder: list a bit higher, schedule a small automatic drop (or manually lower) after 72 hours if needed — removes the “panic adjust.”

      What to expect in the first 2 weeks

      • Views: aim for 15–50/day on active platforms; if under, refresh photos or timing.
      • Offers/messages: expect 1–3 within 72 hours for good items priced competitively.
      • Sell-through learning: log outcomes and tweak one variable per item (price, title, or photos) so you learn what moves sales.

      Keep it simple, track results, and repeat. Small experiments and gentle routines will reduce stress and steadily improve your margins.

    • #126189
      aaron
      Participant

      Spot on: price is the quickest lever. Your batching routine reduces stress. Now add a price band + floor system and let AI do the heavy lifting so you get faster sales without eroding margin.

      High‑value upgrade (why this matters): a platform‑specific price band with a clear walk‑away floor lets you accept good offers instantly, ignore bad ones, and keep momentum. Expect tighter margins, fewer relists, and predictable cash flow.

      Checklist — do / do not

      • Do set a price band: Comp median as the anchor, list 10–20% above on haggle‑heavy platforms; 5–10% above on low‑haggle platforms.
      • Do define a floor price per platform: the lowest you’ll accept while still hitting profit or margin.
      • Do use an offer buffer: 15–20% on eBay, 20–30% on Poshmark, 10–15% on Facebook Marketplace (local).
      • Do set eBay auto‑accept/auto‑decline at your thresholds to remove emotion and speed deals.
      • Do align price endings to norms: eBay “.99”, Poshmark whole numbers, Facebook whole numbers.
      • Do not set one price across all platforms; fees, buyer behavior, and offer culture differ.
      • Do not count shipping twice or ignore it; include it in baseline and floor calcs.
      • Do not chase the lowest comp if your item’s condition, size, or color is stronger than average.

      What you’ll need

      • Photos (6 angles), purchase cost, shipping estimate, desired margin or minimum profit.
      • 5–10 recent sold comps (note low/median/high).
      • AI chat tool + simple calculator or sheet.

      Steps (run this once per item)

      1. Calculate your baseline per platform: baseline = (cost + shipping) / (1 − fee_rate − desired_margin). If you prefer minimum profit, skip margin and compute the floor instead: floor_price = (cost + shipping + target_profit) / (1 − fee_rate).
      2. Set your price band: lower bound = floor; upper bound = min(high comp, floor × 1.25). Choose list price inside this band based on platform haggle culture.
      3. Define offer rules (per platform): auto‑decline below floor; auto‑accept at floor + 5–10% (eBay). For Poshmark, pre‑decide “Offer to Likers” at 10–20% with optional shipping discount. For Facebook, message responses ready at 10–15% off list for serious buyers.
      4. Generate titles + bullets via AI, publish, and set a 72‑hour checkpoint. If views are weak, drop 8–12% or refresh photos/title.

      Copy‑paste AI prompt

      You are my resale pricing assistant. Item: [item], brand [brand], condition [new/excellent/good/fair]. My numbers: purchase $[X], shipping $[Y], desired margin [Z%] OR target profit $[P]. Comps: low $[A], median $[M], high $[B]. Platforms: eBay (fee ~12–13%), Poshmark (20%), Facebook Marketplace (local; 0–5% if shipping). Do the following: 1) Calculate baseline and floor price per platform, 2) Propose a list price band and a single recommended list price for each platform, 3) Provide a 1‑line title and 3 value bullets per platform, 4) Set offer rules (auto‑accept/decline or % offer to likers) and a 72‑hour price‑drop plan, 5) State expected time to first offer if priced as advised.

      Worked example

      Patagonia Down Sweater Jacket (Men’s M). Cost $45, shipping $10, desired margin 35%. Comps: low $85, median $120, high $150.

      • eBay fees ~13%. Baseline ≈ (45+10) / (1−0.13−0.35) = 55 / 0.52 ≈ $106. Floor for $30 profit: floor ≈ (45+10+30) / 0.87 ≈ 85 / 0.87 ≈ $98. List at $129.99 (offer buffer ~18%). Auto‑decline < $98; auto‑accept ≥ $112.
      • Poshmark 20% fee. Floor for $30 profit: (45+10+30) / 0.80 = 85 / 0.80 = $106.25. List at $139 (expect 10–20% offers). “Offer to Likers” at 15% off after 48–72 hours.
      • Facebook (local). No fee. Floor for $30 profit: (45+10+30) = $85. List at $120. Expect messages; be ready to accept $100–$110 if slow after 72 hours.

      Expectation: If comps are accurate and photos are clean, expect 1–3 offers within 72 hours; final sale usually 10–20% below list on eBay/Poshmark, 5–15% on Facebook.

      Metrics that prove it’s working

      • Views per listing/day: target 15–50.
      • Offer rate: ≥1 offer or 2 serious messages within 72 hours.
      • Discount to sell: eBay 10–18%, Poshmark 15–25%, Facebook 5–15%.
      • 7‑day sell‑through: 15–30% of new listings.
      • Net profit per item: hit your $ or % target after fees + shipping.
      • Days to first offer: ≤3 days for bread‑and‑butter items.

      Common mistakes & fixes

      • Mistake: Pricing from the average comp. Fix: Price from your floor and the median, not the mean; adjust for condition and size.
      • Mistake: No room for offers. Fix: Always include a 10–20% offer buffer.
      • Mistake: Ignoring platform norms. Fix: Round pricing to platform conventions; set auto rules where available.
      • Mistake: Mixed shipping strategy. Fix: Be consistent within each platform; spell out shipping clearly.
      • Mistake: Not measuring. Fix: Log views, offers, sale price, net profit, days to sale in a simple sheet.

      7‑day action plan

      1. Day 1: Pick 5 items. Gather comps (low/median/high). Decide margin or minimum profit.
      2. Day 2: Compute floor and price band per platform. Run the AI prompt to generate prices, titles, bullets, and offer rules.
      3. Day 3: List all items. Set eBay auto‑accept/decline. Note your KPIs baseline (views/offer targets).
      4. Day 4: Respond to interest fast (<2 hours). Send eBay “Offer to Watchers” (5–15%) or Poshmark “Offer to Likers” (10–20%).
      5. Day 5: If views below 15/day or zero offers, refresh first photo and title; drop 8–12% within your band.
      6. Day 6: Cross‑check pricing consistency; ensure floor still holds after any adjustments. Log results.
      7. Day 7: Review KPIs. Keep what worked, update your default buffers by platform, and batch your next 5 items.

      Insider trick: save time with “two‑threshold rules.” Set your floor as auto‑decline and floor + 5–10% as auto‑accept on eBay. This locks in profit while closing good buyers instantly.

      Your move.

    • #126202

      Nice call — adding a price band and a clear floor is exactly the step that turns guesswork into repeatable decisions. In plain English: your floor is the lowest price you’ll accept that still leaves you with the profit you want after fees and shipping. It’s the number that keeps the business side sane while you negotiate the selling side.

      Below is a practical, platform‑focused routine you can run in one sitting, plus a concise way to ask an AI to do the math and write the listing language for you.

      What you’ll need

      • 6 photos (front, back, label, flaws, close-up, one contextual).
      • Numbers: purchase cost, conservative shipping estimate, desired margin or target profit.
      • 5–10 recent sold comps (note low, median, high).
      • Calculator or simple spreadsheet and an AI chat tool.

      Step-by-step — how to run it (30–60 minutes)

      1. Collect comps: record low / median / high from recent sold listings.
      2. Compute baseline per platform: baseline = (cost + shipping) / (1 − fee_rate − desired_margin). If you prefer a target profit, compute floor_price = (cost + shipping + target_profit) / (1 − fee_rate).
      3. Set your price band: lower bound = floor; upper bound = the smaller of high comp or floor × 1.25. Pick list price inside the band based on haggle culture (higher on Poshmark, lower on Facebook local if you want quick cash).
      4. Decide offer rules: auto‑decline below floor; auto‑accept at floor + 5–10% where possible; schedule an “Offer to Likers” or a time‑based discount after 48–72 hours.
      5. Use AI to generate a one‑line title and three selling bullets tailored per platform, publish, and review metrics after 72 hours. If views <15/day or zero offers, refresh photos/title or drop 8–12% within your band.

      How to ask the AI — give it these facts, not a long script

      • Tell the AI: item name, brand, condition, purchase cost, shipping estimate, comps (low/median/high), and which platforms you’re listing on.
      • Ask it to: calculate baseline and floor per platform, propose a price band and single recommended list price, give a 1‑line title and 3 bullets per platform, and suggest two discount/offer rules plus a 72‑hour checkpoint plan.

      Two useful prompt variants

      • Conservative seller: ask the AI to prioritize your floor (protect profit) and show expected sell time and likely discount percentage.
      • Quick-sell seller: ask the AI to prioritize time‑to‑sale and suggest a slightly lower list price within the band, plus a 48‑hour limited discount to create urgency.

      What to expect

      • First offers/messages within 48–72 hours for well‑priced, photographed items.
      • Typical discount to sell: eBay 10–18%, Poshmark 15–25%, Facebook 5–15% — use these as sanity checks, not rules.
      • Track views, offers, sale price, net profit and days to sale; tweak one variable per item to learn faster.

      Quick tip: use the two‑threshold rule — floor = auto‑decline, floor + 5–10% = auto‑accept where the platform supports it. That removes emotion and keeps profits predictable.

Viewing 5 reply threads
  • BBP_LOGGED_OUT_NOTICE