QuantSeller

Know what each product really earns before you set a price, buy inventory, run a promotion, or begin production. QuantSeller is an offline-first profit, pricing, production, and inventory workspace for Etsy makers, Amazon sellers, and e-commerce businesses. Records stay on your device. No QuantSeller account, marketplace login, OAuth connection, or seller API is required. ### 18 seller calculators - Etsy profit, handmade pricing, Offsite Ads, shipping, discount, and labor tools - Amazon FBA profit, ROI, monthly profit, arbitrage, referral fee, FBA versus FBM, advertising break-even, and reorder tools - General break-even, campaign, digital product, and product idea tools ### Materials, recipes, and production - Create unlimited materials, product recipes, and bills of materials - Include labor, waste, packaging, overhead, ads, returns, tax, and shipping - Record production runs and…