Guides by topic

Each guide answers one question resellers ask, with the arithmetic worked out on one example, drawn to scale, the sources listed with the date they were read, and the date the guide was last updated.

34 guides · 4 in depth · last updated

Marketplace fees

What each marketplace charges, on which part of the sale, and how the same item nets differently from one platform to the next — every rate sourced and dated.

  • In-depth guide · Fees

    eBay Fees Explained: Sales Tax, Shipping, Stores, Ads, Penalties

    13.6% × $118.80 + $0.40 = $16.56, not $15.36

    What eBay takes from a sale as of October 2026: the final value fee on the total incl. sales tax, the per-order fee, Store rates, ads and seller-level charges.

    Updated · 10 min read

  • In-depth guide · Fees

    Seller Fees Compared: eBay, Poshmark, Mercari, Depop and More

    $50 top: Depop $47.48 down to Poshmark $40.00

    The same $50 item on eight marketplaces: what each charges its fee on, who buys the label, and why the platform that nets the most changes with price.

    Updated · 10 min read

  • Guide · Fees

    Amazon Individual vs Professional Plan: The 41-Sale Break-Even

    Individual is cheaper through 40 sales a month; Professional from 41

    Amazon’s Individual plan costs $0.99 per item sold; Professional is $39.99 a month. See the exact break-even, what else differs and a worked example.

    Updated · 5 min read

  • Guide · Fees

    eBay Fees on Trading Cards and Coins: 13.25% and Store Rates

    $150 coin: Whatnot $138.85, eBay Basic Store $134.54, no Store $127.43

    eBay’s 13.25% rate on trading cards and coins as of October 13, 2026, what a Store changes, and a $20 card and $150 coin compared with Mercari and Whatnot.

    Updated · 5 min read

  • Guide · Fees

    Facebook Marketplace Fees: 10%, the $0.80 Minimum and Pickup

    $50 item: pickup keeps $50.00, shipped $43.74 after a $6.26 fee

    Facebook Marketplace takes 10% of item, shipping and tax on shipped orders ($0.80 minimum) and nothing on local pickup. Net payouts and payout timing.

    Updated · 5 min read

  • Guide · Fees

    Grailed Fees in 2026: 6% Under $120, 9% From $120 Up

    $119.99 listing keeps $108.11; $120.00 listing keeps $104.52

    Grailed charges 6% (minimum $1.99) under $120 and 9% from $120, plus processing of 3.49% + $0.49. See what a $60 and a $150 sale keep, and the $120 line.

    Updated · 5 min read

  • Guide · Fees

    Mercari Fees Since 2025: the 10% Fee, Buyer Fee and Instant Pay

    10% × $58.00 = $5.80 either way: you keep $44.20

    Mercari’s 10% selling fee as of October 2026: what it’s charged on, buyer-paid vs seller-paid shipping, label prices from October 19, 2026 and Instant Pay.

    Updated · 5 min read

  • Guide · Fees

    Payout Timing by Platform: When Sale Money Reaches You

    A same-day cash-out costs $0.44 to $3.00 on one sale

    When eBay, Etsy, Depop, Whatnot, Grailed and Mercari make sale money available, how long banks take, and what a same-day cash-out costs, as of November 2026.

    Updated · 6 min read

  • Guide · Fees

    Poshmark Fees in 2026: $2.95, 20% and the $15 Line

    $14.99 keeps $12.04; $15.00 keeps $12.00

    Poshmark’s seller fee as of October 2026: $2.95 under $15, 20% at $15 and up, the $15 line in cents, offers, bundles, heavy labels and payouts.

    Updated · 5 min read

  • Guide · Fees

    StockX vs GOAT: Which Pays More for the Same Pair?

    $250.00: StockX $215.00 vs GOAT $214.83

    StockX vs GOAT payouts as of October 2026 at $120, $250 and $55: seller levels vs ratings, the $5 StockX shipping cost and minimum, GOAT’s 2.9% cash-out.

    Updated · 5 min read

  • Guide · Fees

    Vinted Fees for U.S. Sellers: Free to Sell, Buyer Pays the Fee

    Keep $50: list $50.00 on Vinted, $62.50 on Poshmark

    Vinted charges U.S. sellers no selling fee; buyers pay a Vinted fee, usually 5% + $0.70. What that means for pricing against Depop, Mercari and Poshmark.

    Updated · 5 min read

  • Guide · Fees

    What eBay Promoted Listings Really Cost per Sale

    5% ad = $3.13, 6.3% of the item price; break-even 36.2%

    A 5% Promoted Listings rate costs 6.3% of a $50 item, because eBay charges it on the total with shipping and tax. Find your break-even ad rate.

    Updated · 5 min read

  • Guide · Fees

    Whatnot Fees 2026: 8% Commission, Tiers and 2.9% + $0.30

    Fees $6.12 at Base, $4.37 at Tiers 5 and 6

    How much Whatnot takes: 8% commission until you sell $15,000 in 4 weeks, lower tiers by category, plus 2.9% + $0.30 processing, with worked examples.

    Updated · 6 min read

  • Guide · Fees

    Which Seller Fees Come Back When You Refund a Sale

    Full refund: eBay returns $8.92 or $8.52, Depop $2.52, Etsy $5.90

    What eBay, Depop and Etsy return in fees on a refund, as of October 2026: full vs partial refunds, the fees that stay, and one $62.64 order worked through.

    Updated · 6 min read

Pricing and profit

How to work out real profit per item, what to list at, and how flat fees and minimums change the answer for cheap items.

  • In-depth guide · Pricing and profit

    How to Find Real Profit per Item: Fees, Shipping, Supplies, Miles

    $62.64 paid → $41.08 net payout → $22.71 profit

    A $50 thrift find sold on eBay, worked line by line: fees, label, item cost, sourcing tax, supplies and mileage, then margin, ROI and markup.

    Updated · 10 min read

  • Guide · Pricing and profit

    Liquidation Pallet ROI: Break-Even Math With Unsellable Units

    A $750.00 pallet breaks even at 52 units sold at a $20 average

    How to work out a liquidation pallet’s profit and ROI: landed cost, units that never sell, the break-even count and time, worked through eBay fees.

    Updated · 5 min read

  • Guide · Pricing and profit

    PayPal, Venmo and Cash App Fees for Selling Locally and Online

    To receive $100.00, request $102.04 to $104.12

    What PayPal, Venmo and Cash App take on a $100 sale, how much to request to receive $100, instant-transfer costs, and when a payment app sends a 1099-K.

    Updated · 5 min read

  • Guide · Pricing and profit

    Where Items Under $20 Net the Most

    $12 shirt: Depop $10.94 down to Poshmark $9.05

    Flat fees and minimums take a bigger bite out of cheap items. Net payouts at $5, $10, $15 and $20 on six platforms, with break-even prices and bundles.

    Updated · 5 min read

Shipping

Published USPS prices, dimensional weight and platform labels, and what a package really costs you to send.

  • Guide · Shipping

    Ground Advantage vs Priority Mail: Prices by Weight and Zone

    3 lb to zone 5: Ground Advantage $15.70, Priority Mail $19.05 at retail

    On a 3-lb package to zone 5, USPS Ground Advantage costs $15.70 at retail and Priority Mail $19.05. Prices by weight and zone, plus Flat Rate boxes.

    Updated · 5 min read

  • Guide · Shipping

    Media Mail Rules: What Qualifies and What It Saves

    2 lb: Media Mail $5.13, Ground Advantage $14.85 at retail

    USPS Media Mail is open only to a short list of contents. A 2-lb parcel costs $5.13 at retail against $14.85 by Ground Advantage to zone 5 at holiday prices.

    Updated · 5 min read

  • Guide · Shipping

    What Shipping Really Costs Resellers: USPS, Dim Weight, Labels

    14 × 12 × 12 box: 2,016 ÷ 139 → 15 lb, $31.70

    A 1-lb USPS Ground Advantage package costs $11.70 retail or $9.29 commercial to zone 5 in holiday pricing. Dim weight at 139, cubic prices and labels.

    Updated · 5 min read

Taxes

Form 1099-K, sales tax collected by marketplaces, self-employment tax, mileage and inventory — what the IRS and state sources say, with the rules shown on example numbers. General information, not tax advice.

  • In-depth guide · Taxes

    Reseller Taxes After the 2025 Law: 1099-K, Income, What to Report

    A form only over $20,000 and over 200 transactions, per platform

    The 1099-K is back to over $20,000 and over 200 payments per platform for 2025 and 2026. What that means for reported income, state forms and SE tax.

    Updated · 10 min read

  • Guide · Taxes

    Do Resellers Pay Quarterly Taxes? How Much to Set Aside and When

    $9,115.00 profit: set aside $2,304.43 (25.3%), $576.11 a quarter

    When resale profit means estimated tax payments, the 2026 due dates, how self-employment tax is figured, and why a flat percentage is only a start.

    Updated · 5 min read

  • Guide · Taxes

    Got a 1099-K for Selling Your Own Used Stuff? How to Report It

    $1,850.00 form: $1,370.00 with no tax figured, $260.00 taxable gain

    A 1099-K for a closet clean-out isn’t a tax bill. How the IRS says to report personal items sold at a loss or a gain, with a worked example.

    Updated · 6 min read

  • Guide · Taxes

    Must Resellers Collect Sales Tax? Marketplace Rules Explained

    $4.64 tax: eBay charges $0.63 of fee on it, Poshmark $0.00

    When eBay or Etsy collects sales tax for you, do you still need a permit or returns? Marketplace facilitator rules, state exceptions and own-store sales.

    Updated · 7 min read

  • Guide · Taxes

    Sales Tax on Marketplace Fees: Etsy, Whatnot and Which States

    Tax on the fee: $0.19 (Etsy, Texas), $0.14 or $0.02 (Whatnot)

    Some platforms charge sales tax on their own seller fees. See which states Etsy and Whatnot name, what it costs on a $50 order and how to check yours.

    Updated · 5 min read

  • Guide · Taxes

    Unsold Inventory and Cost of Goods: What You Can Deduct This Year

    $3,060.00 available − $1,530.00 ending inventory = $1,530.00

    Bought $3,000 of stock and sold half? How cost of goods sold works on Schedule C lines 35-42, what counts as cost, and the small business exception.

    Updated · 5 min read

  • Guide · Taxes

    When Does Flipping Become a Business for the IRS?

    Business $669.00 profit, $169.14 tax; hobby $1,500.00 income, $180.00

    Hobby seller or business? The factors the IRS weighs, where each kind of income goes on the return, what happens to expenses, and a worked example.

    Updated · 5 min read

Selling tools

Crosslisting apps and other seller software, compared by the same rules from each vendor’s own dated pricing pages.

  • Guide · Selling tools

    Crosslisting Apps Compared: Yearly Cost by Listing Volume

    Up to 200 listings a month: $0.00 to $540.00 a year

    Nine crosslisting apps priced from each vendor’s own page on October 5, 2026, with the yearly cost at three listing volumes and what each plan includes.

    Updated · 6 min read

  • Guide · Selling tools

    Product Photo Setup for Resellers: Light Box, LEDs and Rigs

    Light box 552 sq in, overhead rig 894.4 sq in of desk

    Light box, LED panels, tripod or overhead rig: what each maker’s own spec page states, how much desk each takes, and a fit check for a 14 × 10 in item.

    Updated · 5 min read