When you add credit to you account, you can purchase the items with 10% discount. You can deposit funds / credits to your account. You can use the credits any time and for any product instantly.
Credit
$20
Credit
$30
Credit
$40
Credit
$50
Credit
$60
Credit
$70
Credit
$80
Credit
$90
Credit
$100
Credit
$200
Credit
$300
Credit
$400
Credit
$500
Credit
$1,000