Public beta

Amazon product profit calculator — profitable before you buy stock

Parseflow is a product profitability calculator for Amazon and eBay. See true profit, margin, and risk on any listing — before you spend money on inventory or dropship orders.

Amazon UK
Strong95/100

Crocs Classic Clog (Adults) — Black

Sell

$44.44

Margin

+19.6%

Profit

$8.73

Price trend14d

Parseflow reads marketplace fees, inbound costs, and price history directly from the product page. It tells you whether a product is worth buying — before you commit cash, dropship it, or stock inventory.

Join beta

Use Parseflow to evaluate any Amazon or eBay product before you buy it.

What you can use today

Core tools in public beta

Profit signals

Strong, Mixed, or Weak — based on real margin math and risk.

Profit & margin

Marketplace fees and inbound costs calculated automatically.

Amazon & eBay

Paste any product link — one flow for both marketplaces.

Product profitability calculator for Amazon & eBay resellers

Parseflow is a product sourcing tool and product viability tool for arbitrage, wholesale, and dropshipping. Paste any Amazon or eBay product link to see true profit, margin, and risk — before you buy stock or commit cash.

Use our free Amazon profit calculator, eBay profit calculator, or product profitability checker — or run a signal from the hero above. Also compare FBA profit calculator math for manual UK estimates.

Frequently asked questions

How do I know if a product is profitable?
Paste the Amazon or eBay listing URL into Parseflow and enter your buy price. Parseflow reads sell price, marketplace fees, inbound costs, and price history, then shows net profit, margin, ROI, and a Strong, Mixed, or Weak signal before you buy stock or dropship.
How do Amazon fees affect profit?
Amazon referral fees (typically 8–17% by category), FBA fulfillment, inbound shipping, and storage reduce your net margin. Parseflow estimates these from the listing so you see true profit after fees — not just sell price minus COGS.
How do I calculate margin on a reselling product?
Margin = net profit ÷ sell price × 100. Net profit is sell price minus COGS, inbound shipping, marketplace fees, fulfillment, and other per-unit costs. Parseflow calculates this automatically when you paste a product link.
What is a good ROI for reselling?
Many arbitrage sellers target 25–40%+ ROI after all fees, but acceptable ROI depends on capital, sell-through speed, and risk. Parseflow shows ROI alongside margin and demand signals so you can compare products before sourcing.