Building a Prop Firm Cost Analysis Tool with Next.js and SQLite

The article details building PropFirm Key's True Cost Calculator, which computes the real all-in cost of proprietary trading firm challenges by normalizing discount codes, activation fees, profit splits, account sizes, and reset fees into a single comparable metric. The tech stack uses Next.js with SQLite via Drizzle ORM, chosen for its read-heavy performance and simple deployment, handling 35 firms and 370+ challenges in-browser.