I didn't enter my address when I created my account. How will you know where to send the check? Checkout 51 Updated March 10, 2018 16:57 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 Can I cash out to PayPal? How long does it take to receive my check after cashing out? Can I update my location? How will I receive payment from Checkout 51? Can I earn Cash Back for e-receipts? Comments 0 comments Article is closed for comments.