Three of the big ones are car/home owners insurance and mortgages. I purchased my last two houses going through Costco's mortgage portal and saved huge on fees

Three of the big ones are car/home owners insurance and mortgages. I purchased my last two houses going through Costco's mortgage portal and saved huge on fees and had a much lower interest rate without having to purchase points. It's rather astonishing the number of perks to paying for the executive membership.