Costco membership benefits for retirees continue, as it is more than just a place to buy food and home goods — it’s also an excellent pharmacy, with prices on some items that are up to 80% cheaper for members than traditional pharmacies. Costco savings tips for retirees are endless, as not only does it offer its own gas stations, with prices typically lower than other local gas stations, but you can also sign up for its gas rewards program and earn 4% back on qualifying purchases, up to $7,000 back for your first year. In addition to all kinds of excellent products for less, members get access to exclusive member deals and discounts on services and products ranging from travel to insurance and healthcare — all things that can be especially costly in retirement, otherwise.