I get "points" thru my bank for using my debit card! I got a free insulated tote that is box shaped which I keep in my trunk for cold items (when I remember it! LOL). I actually prefer paper sacks as they can be recycled into all sorts of crafts and even draft patterns on them to cut fabric. Most stores have stopped offering paper though.
At Fads and Frames, they offer an oversized plastic mesh type bag which you can usually get on clearance for $1.00 which would hold a LOT of stuff. My only issue with the plastic is that most of them don't last until I get the groceries into the house!! LOL Have had lots of can goods/bottles rolling across the parking lot!!