A collection of free tools to help freelancers and businesses be more productive
Save flipper results to the shared shelf, reuse them in any calculator or worksheet, and add monetary results to an invoice. Track sourcing and listing time to include your labor costs.
The shelf stays in this browser. Review AI estimates before using them in a quote or invoice.
Arbitrage / Marketplace comparison
Compare estimated take-home profit across marketplaces with the same item and sale price. Make the fees, shipping and acquisition costs visible before choosing a route.
Calculations update immediately. Include purchase tax and inbound freight in landed cost.
Highest estimated net profit
$0.00
Vinted Zero-Fee
Best estimated margin
0.0%
Net profit as a share of revenue.
Marketplaces compared
6
Sorted by estimated net profit.
$0.00net profit
0% Seller Fee! Buyer pays buyer protection fee + prepaid shipping label.
$0.00net profit
Mercari 10% seller fee.
$0.00net profit
Amazon FBM: 15% referral fee.
$0.00net profit
Local Cash/Venmo Pickup: 0% Platform Fee, $0 shipping cost, $0 fragile break risk.
-$0.40net profit
Standard eBay FV fee (~13.3% + $0.40, includes tax basis).
-$2.95net profit
Poshmark flat $2.95 (<$15) or 20% (>= $15). Flat $8.27 label covers up to 5.0 lbs!
