Some insurances, wic, etc only cover pumps if you're working or going to school though. So you should ask whomever you're with first. Amazon has a good list of them and it's really just a trial an error kind of thing imo. Some people work better with certain brands than others.
Insurance can cover a full payment for a breast pump or partial payment if you want something more high end. I would look through what they offer first and if you don’t like anything they have to offer then start looking but I think any pump would break your bank, no doubt. They are so pricey!! 😩