Developer Builds Zero-Cost Ecommerce MVP Using Next.js, Vercel, and Supabase

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A developer built a lightweight ecommerce MVP for a founder who needed a simple way to display products and collect orders via WhatsApp, without online payments or a Shopify subscription. The solution was built using Next.js for the frontend and admin panel, with Supabase handling product data storage and Vercel hosting the application — all on free tiers, bringing monthly infrastructure costs to zero. The MVP covers only three core steps: browsing products, adding them to a cart, and sending the order directly to WhatsApp. Features like authentication, payment gateways, and email notifications were deliberately excluded, as they were not required to validate the business idea. The developer noted that added complexity such as online payments and order tracking can be introduced later, once the business gains real traction and justifies the need.

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