Hayneedle offers the Abba Patio Versatile Shelter 10- x 20-Foot Carport Canopy for $165. Coupon code "SPRING10" cuts that to $148.50. With free shipping, that's $61 off and the lowest price we could find. It features 200-square feet of protected storage and a powder-coated steel frame. Deal ends March 3.
You don't need to hire a contractor or do extensive renovations to add value to your home.