The most common reason for a failed transaction is a billing address that does not match the credit card being used. When a card is incorrectly used once your processor may flag the card and prevent it from being used again. It is best to use another card in this situation and if you are charged twice we will refund any duplicate transaction.
Any billing issue can be followed up with a staff member by sending an email to help@kabirsprep.com, calling us at (248) 973-7452, or sending a message through our contact form online.