What can PayPal Pay in 4 be used on? PayPal Pay in 4 can be used on orders between AU$30 and $2,000, inclusive of shipping. PayPal Pay in 4 is not available for preorders. If your order contains a preorder item, then PayPal Pay in 4 won't be an available payment option in the checkout. Related articles Can PayPal Pay in 4 be used in-store? Still can't find the answer to your question, have feedback or concerns. Contact us on 07 4803 3033 Mon to Fri - 8am to 4pm (AEST) Closed All Public Holidays Enquire Here