Free Within 2 hours Online My Account-use debit/credit card, e-check or MetroPCS Payment Card. You can save any of these payment methods to your eWallet Free Within 2 hours Express Pay-use debit/credit card, e-check or MetroPCS Payment Card without signing in to My Account.elevance. Rating Newest Oldest. Best Answer: You can pay your bill in metro pcs stores,but there is an extra $3 fee !!! All Payment Options Method How to Pay Price per Transaction Payment Applied (time)* Auto Pay Allows an automatic debit to be made each month to a debit/credit card or checking account.