Stop Guessing. Know What an eBay Item Is Worth Before You Buy It.
Use free reseller tools, sold-comps research, and practical guides to evaluate demand, fees, profit, and risk before spending money on inventory.
Scanned item
Vintage Pyrex Mixing Bowl Set
BUYCheck Demand
See whether comparable items are actually selling before you buy.
Estimate Profit
Account for selling fees, shipping, item cost, and expected sale price.
Avoid Bad Buys
Identify weak demand, thin margins, and inventory likely to sit unsold.
Free Tools for Better Buying Decisions
Use practical calculators and research tools before spending money on inventory.
FlipCheck
Scan any item and get a clear Buy or Pass verdict from real eBay sold comps, fees, and shipping.
Open FlipCheckeBay Profit Calculator
Estimate your profit after eBay and shipping fees before you list an item.
Open CalculatoreBay Buy or Pass Checklist
A free printable checklist for deciding whether an item is worth buying to resell.
Get the ChecklistGet the Free eBay Buy/Pass Checklist
Check demand, profit, fees, shipping, and risk before buying inventory.
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Practical eBay Reseller Guides
eBay Buy or Pass: How to Know If a Thrift Store Item Is Worth Reselling
A simple framework for deciding whether a thrift-store find is worth your money before it goes in the cart.
Read the guide →How to Check eBay Sold Comps Before You Buy
Read real eBay sold data the right way — and see when a faster tool is worth the time it saves.
Read the guide →5 Mistakes New Resellers Make When Pricing Thrift Store Finds
The pricing errors that quietly eat your margins — and how to set prices that actually make money.
Read the guide →Books Built for Resellers and Small Businesses
The Flip Report: An eBay Seller's Log for Beginners
A simple seller's logbook for tracking buys, listings, sales, and sourcing decisions.
View on Amazon
Small Business Inventory Log
Track inventory, costs, prices, sales, and profit in one simple log.
View on Amazon
Mileage Log Book for Self-Employed Drivers
Log business miles, fuel, and vehicle expenses for clean tax records.
View on AmazonAlso available: ready-to-use small-business email, review-response, and social-media templates. Browse templates →