Why has my card declined?

If there is something wrong with the information provided at checkout. This could be due to one of the following reasons:

-The billing name/address doesn't match the cardholders

-Some of the payment info is incorrect

-You have tried to place a high volume of purchases in a short space of time

-You have used multiple devices/emails

-You have insufficient funds on the card you are attempting to use

-Your card is not activated for online shopping