You can add a URL in the Pre-ApprovalTerms and Conditions Link to any Terms & Conditions you might want to include for your Customers to agree to when signing up for Pre-Approval (this is optional and can be left empty).
Use the Maximum Automatic Payment Amount Threshold to control which Payments get automatically debited under Pre-Approvals. If this is set to $0, all Payments will be debited automatically under if the Customer Pre-Approved, if you set a $ value, only Payment under that amount debited automatically. Payments over the Maximum Automatic Payment Amount Threshold that have an Active Pre-Approval can still be debited but require you to manually Process them via the Payments page.
Click on the Re-Attempt Settings tab and determine how many times and how quickly you want to re-attempt failed payments.
After making any updates or changes to your Pre-Approval Settings in Pinch, click the Save Changes button.