A complete checklist for launching a SaaS product β before, during, and after launch.
After launch, the most important work begins: collecting feedback and deciding what to build next.
Launching a product is one of the most complex cross-functional efforts a team undertakes. A product launch checklist ensures nothing falls through the cracks when dozens of tasks across engineering, marketing, sales, legal, and support all need to come together at the same moment.
The cost of a botched launch is high: you only get one chance to make a first impression. Users who encounter bugs, broken payment flows, or missing documentation on day one rarely come back. A comprehensive checklist transforms launch chaos into a systematic process where every team member knows exactly what needs to happen and when.
This is especially critical for SaaS launches where you're not just shipping codeβyou're setting up billing, onboarding flows, support channels, monitoring, and dozens of other systems that need to work together from day one.
Pre-launch (2-4 weeks before): This is where 80% of launch work happens. You're finalizing the product, setting up infrastructure, preparing marketing materials, and testing everything. Key tasks include: finalizing your pricing page, setting up payment processing, writing documentation, preparing launch announcements, and doing a full end-to-end test of the signup-to-value flow.
Launch day: If you've done pre-launch right, launch day should be mostly monitoring and communication. Push your announcements live, watch your metrics dashboards, be ready to respond to support requests, and have your team on standby to fix any critical issues. Avoid making non-essential changes on launch day.
Post-launch (first 2 weeks): The work doesn't stop when you launch. This is when you're collecting user feedback, monitoring for issues that only appear at scale, responding to early users, and starting to plan your first iteration. The feedback you collect in these first two weeks shapes your roadmap for months to come.
Some checklist items are negotiableβnice-to-haves that can wait for v1.1. Others are absolutely critical and will cause serious problems if skipped:
Payment testing: Test your entire payment flow with real cards in test mode. Verify that webhooks are working, subscriptions are created correctly, and failed payments are handled gracefully. A broken payment flow means zero revenue.
Legal basics: At minimum, you need Terms of Service and a Privacy Policy before accepting any users. If you're handling EU users, GDPR compliance isn't optional. If you're in healthcare or finance, you have additional requirements.
Error monitoring: You need to know when things break before your users tell you. Set up error tracking (Sentry, Bugsnag, etc.) and make sure alerts are going to the right people. Include uptime monitoring for your critical paths.
Backup and recovery: Before you have real user data, verify that your backup systems work and that you can actually restore from them. Test this before launch, not during your first outage.
Launching on a Friday: Never launch before a weekend unless you want to spend Saturday fixing production issues. Tuesday or Wednesday mornings give you the most runway to respond to problems during business hours.
No rollback plan: What happens if something goes catastrophically wrong? Know how to quickly disable new signups, revert to a previous version, or put up a maintenance page. Have these procedures documented before you need them.
Ignoring load testing: Your staging environment with 3 test users doesn't reflect what happens when 1,000 users hit your app simultaneously after a successful Product Hunt launch. Do at least basic load testing on critical paths.
No feedback channel: If users can't easily report problems or ask questions, they'll just leave. Have a clear way for early users to reach youβwhether that's an in-app chat widget, a feedback email, or a Discord server.
Treating launch as the finish line: Launch is the starting line, not the finish line. The real work of building a successful product begins when real users start using it and you learn what actually matters to them.
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