HelpSeller — Tools for Serious Marketplace Sellers

HELPSELLER HELPSELLER HELPSELLER HELPSELLER HELPSELLER HELPSELLER HELPSELLER HELPSELLER HELPSELLER HELPSELLER HELPSELLER HELPSELLER

Learn faster Price smarter Protect margins Scale with confidence Learn faster Price smarter Protect margins Scale with confidence Learn faster Price smarter Protect margins Scale with confidence

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Choose the right calculator
for your next decision.

Each calculator below shows what you enter and what you get back. Start with profit if you are unsure.

Quick recommendation: If this is your first visit, start with Profit Calculator, then use Pricing or ROI to compare scenarios.

Free Tool

Profit Calculator

See true net profit after fees, shipping, taxes, and costs.

You enterSale price, product cost, fee %, shipping, taxes

You getNet profit, margin %, and per-order earnings

Etsy Amazon eBay Gumroad Redbubble

Calculate now →

Free Tool

Pricing Calculator

Set profitable prices instantly with target margin and cost inputs.

You enterCost, fee structure, desired margin, shipping

Estimate ROI before you spend on inventory, ads, or promotions.

You enterInvestment amount, expected return, extra costs

You getROI %, gain/loss estimate, and payback clarity

ROI Ads Products

Calculate now →

Free Tool

Seller Scam Checker

Check seller risk fast and choose the right safety tool for the scenario.

You enterSeller signals, listing clues, suspicious messages

You getRisk level, red-flag detection, and recommended next actions

Choose one of the 2 scam tools

Seller Scam Checker Fast seller risk check from listing and communication signals. Seller Scam Detector Analyze suspicious messages and detect red flags before paying.

Safety Scam Detection Risk

Open one of the scam tools →

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Guides

Practical articles and resources to help sellers make smarter business decisions.

Guides

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