Know Your Real Numbers Before You Sell
Free tools that show e-commerce sellers their true profit, platform fees, and launch readiness — before they spend a dime.
Free Tools
FeeCalc
Calculate your true profit after every Amazon FBA, Shopify, Etsy, TikTok Shop, Walmart, and eBay fee. Seven platforms, one calculator.
8 platforms · 112+ product guides
Open FeeCalc →LaunchAudit
10-question diagnostic that tells you whether your side hustle idea is ready to launch. Get a readiness score and specific action items.
10 questions · 3 readiness tiers
Take the Audit →HustleStack
Unbiased comparisons of software for Amazon FBA research, dropshipping, SEO, print-on-demand, and more — with pros, cons, and who each tool is for.
27 tools · 10 categories
Browse Tools →NicheScore
AI-powered niche viability scores for Amazon FBA, Etsy, Shopify, TikTok Shop, and more — demand, competition, margin, and trend in one free check.
Analyze a Niche →QuitOrScale
Enter your side hustle numbers and get a brutally honest verdict — quit, pivot, or scale — backed by benchmark data, not motivation.
6 inputs · AI-powered verdict
Get Your Verdict →Built for sellers who want data, not hype
No courses. No personal brand. No affiliate rankings disguised as reviews. Just free tools and honest numbers.
7
E-commerce platforms covered
112+
Free profitability guides
100%
Free, no signup required
Get notified when platform fees change
We monitor all seven platforms and email you when fee changes affect seller margins.