Is it worth the extra $60 per year?
Well, itmightbe, depending on your purchasing habits.
It also offers additional discounts on certain Costco services, like check printing and road-side assistance (viaCostco).

Deciding whether a Costco Executive Membership is worth it comes down to crunching some numbers.
If you’re averaging $250 per month or more, it’s worth it to upgrade your membership.
And if you change your mind a few months down the road, don’t sweat it.

They stand behind the products they sell" (The Penny Hoarder).