You can update, add, or remove tier perks for members tier at any time. To do this, go to the Single app and click the pencil (edit) icon next to the membership tier you want to edit.
Then, on the Edit Tier page, scroll to the section called "Gated Access."
Here, you can either remove unwanted perks by clicking "Archive" or add new ones by clicking the "Add Item" button. You can also change the Allowed Quantity, Discount Allowed, and Preview Enabled features for existing content or products that are already gated.
Once you have finished making any adjustments, be sure to click "Save All!"