Do you need a subscription to that place? Where do I get it?

Yes, you need a membership to buy here. The membership desk is just inside the door on the right, in front of the food court and check-out.

IDK

Best to get a membership at the store, they put your picture on the back of the card. You need a membership for discounts on all sales or services, including the gas station.

Yes, and to buy there fuel.

Si, you need a membership. To get it, go to Costco. Or maybe online.

Membership is necessary