Enforcing paywalls for next.js 13+ (app dir) with Stripe and Clerk.

In order to have a good paywall we NEED to:

1. Make settings page or other viewable asset so users can see their tier level.

2. Show users a paywall when they attempt to access business logic above their tier.

3. Easily upgrade.

Difficulty in implementing paywalls

This is a bit more complicated than the AI Chatbot as you just get low on credits and the resupply, video here and GH Repo here.