Costco also sells theLexie B2 Powered by Bose, an over-the-counter (OTC) hearing aid. Priced at $980 and available online or in the store, the hearing aids are less expensive than the prescription options, but don't come with the professional support offered by the in-store Costco hearing...
I agree with your assessment of apples, bananas and chicken (and some other fresh foods), but you really need to look on an item by item basis (and seasons can play a role as well). I generally find berries to be MUCH cheaper at Costco, and things like avocados to be on par with...