Lifetime deals convert early adopters who will not pay monthly -- here is how to add a one-time LTD option to your Next.js SaaS that coexists with subscriptions, gates access correctly, and never creates a billing headache.
Can't decide what to build? Here are five specific micro-SaaS ideas -- each small enough to validate in a weekend, with the exact features they need and how a Next.js boilerplate cuts your build time from months to days.