Mature Tools and AI Have Dramatically Lowered the Cost of Building SaaS Products

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The cost and complexity of building production-ready SaaS software has dropped sharply, thanks to mature frontend frameworks, API-based payments, serverless infrastructure, and AI productivity tools. A decade and a half ago, founders had to make exhaustive decisions about servers, databases, and deployment before writing a single line of product code. Today, a small team or even a solo developer can assemble a reliable stack using widely available, composable services such as Supabase, Stripe, Vercel, and OpenAI. Ecosystems like React and React Native allow teams to share code, types, and domain logic across web and mobile, reducing the need for separate engineering efforts. The core shift is that builders can now focus engineering effort on solving customer problems rather than rebuilding infrastructure that already exists.

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