I didn't enter my address when I created my account. How will you know where to send the check? Checkout 51 Updated April 24, 2019 09:45 Follow Excellent question! When you cash out, you will be prompted to fill out a form with your mailing address. We'll send your check to that address. (Please read our Terms for more details.) Related articles How long does it take to receive my check after cashing out? Who can Cash Out to PayPal Receiving payment from Checkout 51 Updating my location Can I earn Cash Back for e-receipts? Comments 0 comments Article is closed for comments.