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Project DTCStack is a free, browser-based toolkit for Shopify, Amazon, and DTC sellers. What problem does it solve? Ecommerce operators often need to answer simple but important questions before changing a price, launchi…
Project DTCStack is a free, browser-based toolkit for Shopify, Amazon, and DTC sellers. What problem does it solve? Ecommerce operators often need to answer simple but important questions before changing a price, launching a discount, or increasing ad spend: What is the real contribution margin after product, fulfillment, payment, and advertising costs? How much discount can a product support? What is the break-even ROAS or maximum allowable CPA? How much additional order volume is needed after a promotion? Does a product page have the basic SEO information and structured data it needs? DTCStack provides focused calculators and SEO helpers for these decisions. Useful tools Shopify Profit Margin Calculator & Fee Estimator Estimate contribution profit, margin, maximum CPA, and break-even ROAS from product, fulfillment, Shopify, Stripe, and advertising inputs. Discount Margin Impact Calculator Calculate a discounted sale price, contribution per order, margin impact, and the order volume needed to preserve total contribution. Break-Even ROAS Calculator Translate product economics into a break-even ROAS and maximum allowable CPA. Stripe & Payment Gateway Fee Calculator Estimate payment processing fees, net proceeds, and the customer charge required to reach a target amount. Shopify Product Schema Generator Generate Product and Offer JSON-LD from real product information. Product Title & Meta Description SEO Checker Review title length, meta description length, target keyword usage, and mobile or desktop search previews. Key features Free to use No account required to start No Shopify store connection required Calculations run in the browser Clear assumptions instead of unexplained estimates Designed for Shopify, Amazon, and independent DTC brands Who is it for? DTC founders, Shopify merchants, Amazon sellers, ecommerce operators, performance marketers, and anyone who needs to check pricing, promotion, payment fees, shipping costs, or advertising assumptions quickly. Notes The results are planning estimates based on the inputs supplied by the user. Actual fees, taxes, returns, shipping agreements, and accounting policies vary by business and location. I am sharing DTCStack as a practical free toolkit for merchants who want to check unit economics before making a pricing, promotion, or advertising decision.
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