[Demo] Limit 1 per customer, including past orders

What this demo shows

RuffRuff Order Limits lets each customer buy only 1 of this product in total, including past orders. The customer must be logged in.

How to try it

This order is free. Nothing will be shipped.

1. Log in at /account/login.
2. Add 2 of this product to the cart and go to checkout.
3. Change the quantity to 1 and complete checkout.
4. After that order, add this product to the cart again and go to checkout.
5. Log out, then go to checkout with this product again.

What you should see

• Logged in, with a total quantity of 1 across past orders and the cart → You can buy it.
• The total quantity across past orders and the cart is 2 or more → You cannot buy it.
• Logged out → You cannot buy it.

How to set it up

In Cumulative quantity rules of RuffRuff Order Limits, set a per-customer maximum of 1, including past orders, and require the customer to log in.

See the setup guide in the Help Center