What does a membership cost

It depends on what 1 u want gold star is 60 and executive is 120

That depends on the type of membership you choose. Look it up online and read the options. If you plan to shop there a fair amount spring for the Executive and open Citi Bank Visa. We get between $800 and $1,100 cash back each year on all purchases on the card - not just the ones we make at Costco. But it'll depend on how much you spend.

I purchased the $60/year plan, it gives you 2 membership cards

Right around $60 for basic unless you want something better

A standard membership (a white card) is 60 dollars and it comes with a card to share with your household. An executive membership (a black card) is 120 dollars and comes with a card to share with your household and, most notably among other perks, a 2% rebate on some costco purchases.