Upgrading to Premium
The Upgrade page explains what Premium adds: parts inventory tracking, “buildable now”, the cart-vs-inventory shopping list, and full build management. Billing isn’t live yet, so access is granted by hand for now.
What Premium unlocks
Four features, plus a context-aware call to action.

- 1The pitch — What Premium is and the honest status: billing isn’t live yet, so premium is granted by hand for now.
- 2The features — Parts inventory tracking, Buildable from inventory, the Cart-vs-inventory diff, and full Builds management.
- 3Create an account — Signed out, the primary CTA starts registration.
- 4Sign in — The CTA adapts to you — sign-in when signed out, or “Premium is active” once you have it.