To buy credits, just click on the appropriate category. For example, to pay for $32 of tie dyed goods just click on the tie dye button and enter 32 into your shopping cart. You can put put multiple categories in your cart at once. For example, to spend $10 on tie dye and $10 on photography, just click on each category and enter that amount into your shopping cart. You’ll be charged for everything that’s in your shopping cart, when you checkout. We accept Mastercard, Visa, American Express, and PayPal.