Free Reseller Calculators & Marketplace Listing Analyzer
Compare fees and profit, estimate selected costs for a local pickup, or enter a Marketplace listing's details for an AI-assisted review. Free tools, no signup required.
Reseller Calculators
eBay Fee Calculator
Estimate eBay seller fees and net profit from current published rates
eBayMercari Fee Calculator
Estimate Mercari seller fees and net profit from current published rates
MercariPoshmark Fee Calculator
Estimate Poshmark commission and net earnings from current published rates
PoshmarkFacebook Marketplace Fee Calculator
Estimate shipped-order fees or a local-pickup platform-fee assumption
Facebook MarketplaceFlip Profit Calculator
Calculate your reselling profit, margin, and ROI instantly
GeneralPayPal Fee Calculator
Estimate PayPal commercial transaction fees and net payment
PayPalCross-Listing Profit Calculator
Compare your profit across multiple selling platforms
Multi-PlatformMarketplace Pickup Cost Calculator
Estimate fuel, time, pickup help, repairs, break-even resale price, and low-to-high margins before you make the drive.
Local Pickup PlanningOther free tools & references
Negotiation Script Generator
Turn an asking price and a list of flaws into a message you can send
Facebook MarketplaceSeller Fee Reference
Current fee references for the supported platforms, with a last-verified date
Supported platformsScoring Methodology
Published factors, score bands, and limitations behind DealFlipAI scoring
TransparencyAdd decision context to Marketplace listings
DealFlipAI helps buyers and resellers review an estimated resale range, Deal Score, confidence, potential-risk flags, and a suggested opening offer. Inspect and verify every item yourself.