Back before my father and I decided to share a Prime subscription (I buy the stuff with my account and charge it to his credit card), I solved this by keeping i

Back before my father and I decided to share a Prime subscription (I buy the stuff with my account and charge it to his credit card), I solved this by keeping in my deferred cart various items I wanted sometime in the coming months that I wasn't in a hurry to get. If you can take a long very about enough things it worked out pretty well, especially since your metric is to, over a year, pay less than a Prime subscription.