My local one requires ordering by kiosk, which requires swiping your membership card to start the order. Yes, you can probably ask the person next to you to swipe for you.
It must vary by location because my local one has all these signs saying Beginning <date in the past> you must be a costco member to eat at the food court.
You have to be a member though. Ask me how I know :p
Not for the food court.
My local one requires ordering by kiosk, which requires swiping your membership card to start the order. Yes, you can probably ask the person next to you to swipe for you.
It must vary by location because my local one has all these signs saying Beginning <date in the past> you must be a costco member to eat at the food court.