You can, but you must pay for the purchases.
Yes
Yes you can shop with your whole family. Just show your membership card
They allowed my mother to pay for her own purchases
I was only in Costco's about 10 minutes I went in there to get a large piece of luggage which they didn't have and I wasn't satisfied so I didn't buy anything I left.
You can have as many guest as you want but you will have to pay for the purchases because you are the member
Yes you can but You must pay.
Yes, purchases only by cardholder
Yes. Purchases can be made through Costco card or Costco gift card.
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