Reseller & Side Hustle Toolkit
Essential tools for online sellers, resellers, and side-hustlers. Calculate your true profit after platform fees, estimate your 1099-K tax obligations, check economic nexus, and find your break-even point.
Reseller Profit Calculator
NewSell on eBay vs Poshmark vs Mercari? See your REAL profit after fees & tax
1099-K Tax Estimator
New2026 threshold dropped to $600. Estimate your quarterly tax before you owe $5,000 in April
US Economic Nexus Checker
NewWhich states require you to collect sales tax? Enter sales data and find out instantly
Break-Even Calculator
NewHow many units to break even? Fixed cost, variable cost, price — instant answer
Free Invoice Generator
NewCreate professional invoices in seconds — no signup, no watermark, print-ready
US Sales Tax by State
State + local sales tax for any of 50 states — what to charge customers
Dropshipping Profit Calculator
NewShopify / Woo / Etsy + ads + tax + payment fees. Know your real margin
Cross-Border Tariff Calculator
NewEstimate import duties and landed cost by HS code — US, EU, UK, Canada, Australia
ROI Calculator (Marketing/Ads)
NewCalculate ROI, ROAS, and break-even for Facebook, Google, and TikTok ad campaigns
EU VAT Calculator
NewCalculate VAT for any EU country — forward or reverse, with B2B reverse charge
Currency Converter
NewConvert 30+ world currencies. USD, EUR, GBP, JPY, CNY and more
Payment Processor Compare
Stripe vs PayPal vs Square — see what you actually keep per $1,000 in sales
QR Code Generator
NewGenerate unlimited free QR codes for URLs, text, vCard, WiFi