Experience with Sperm Donation?

Cadence

My husband and I have decided to use donor sperm due to him not having any sperm after his cancer treatments. We thought his count would come back after so many years but received confirmation that he has absolutely no viable sperm.

So, that brought us to our very easy decision to use a donor. We haven't started the process yet but I want to know about all of your experience with sperm donation. How did you choose the donor, where you inseminated at home or at the specialists? Did you go through a bank or through less expensive routes? Lay it all on me, I want to be prepared.