Stop over-engineering your Waitlist. Here is a 5-minute "No-DB" solution.

As developers, we have a bad habit of building a full-blown CRUD app just to collect early-access emails. I’m currently building my new SaaS, and I wanted a waitlist that: Costs zero dollars. Gives me 100% control over the UI (no "Powered by" watermarks). Requires no database maintenance. Here is the "stupidly simple" stack I used: Vanilla JS + Google Apps Script + Google Sheets. The "Backend" (Google Apps Script) Create a Google Sheet, go to Extensions > Apps Script, and paste this. It acts as a serverless function that appends data to your sheet. function doPost(e) { try { const data = JSON.parse(e.postData.contents); const ss = SpreadsheetApp.openById("YOUR_SHEET_ID_HERE"); const sheet = ss.getSheets()[0]; // Custom fields for my SaaS waitlist sheet.appendRow([ new Date(), data.email, data.name, data.company, data.pressure, // My specific niche field data.city, data.country ]); return ContentService.createTextOutput(JSON.stringify({ result: "success" })) .setMimeType(ContentService.