: Major retailers like Amazon and Walmart allow you to enter your 9-digit routing number and checking account number directly at checkout.
: Platforms like PayPal , Venmo , and Apple Pay allow you to link your checking account. You can then pay by logging into the app during checkout without sharing your bank details with the merchant. Important Considerations can you buy stuff online with a checking account
: E-check payments are not always instant; they typically take 1 to 3 business days to clear. : Major retailers like Amazon and Walmart allow