Here's my decision tree: 1. If it is groceries and I have multiple accounts set up already, then yes. 2. If it is something else that I want quickly and I hav

Here's my decision tree: 1. If it is groceries and I have multiple accounts set up already, then yes. 2. If it is something else that I want quickly and I have another account already set up somewhere else, then yes. 3. If I don't have accounts set up anywhere but Amazon, then no. 4. If I don't need it quickly, then no.