So any exchange selling bitcoins for CC payments is always going to pass this fee off to you, plus charge a bit more to make a profit. Navigate to the top right corner and click on your name. Most exchanges will not allow you to use a pre-paid debit card. Do let us know in the comments section below. Make sure you note the 10 minute time—you have this amount of time to complete your order. Most Bitcoin exchanges will let you specify the amount of fiat currency you want to spend and in exchange sell you the equivalent amount of Bitcoin.