I find the wheeled basket that you move like a carry-on the best option; small so you don't buy a lot of stuff, nimble (can get around shopping carts) but don't

I find the wheeled basket that you move like a carry-on the best option; small so you don't buy a lot of stuff, nimble (can get around shopping carts) but don't have to strain your arm and hand after you put a gallon of milk.