Behold! A gift card. When you purchase, I will enter the order number on the card and email it to you. Then you can email it to the recipient, who will then email it back to me with what item(s) they want, whereupon a discussion involving mathematics will ensue that will result in a deduced amount either owed or remaining. Easy peasy.
Note: When you check out, be sure to choose the "Pick Up" option to reduce your shipping amount to precisely $0.00000.