If you’ve noticed you need a little more space in your car during trips, this would be awesome to have! Walmart has the Reese Explore Expandable Cartop Carrier priced at only $32.99 Shipped! (Reg. $48.72) This carrier expands to 12-16 cubic ft. It has really great reviews too. Plus, choose in-store pickup. Or, you can pad your order to $35 to score FREE shipping.