Cheapest? No. Best? Yes. Hands down, no kidding. Fits in the trunk of your car (if you don't have a truck). Same story as with optics-- don't bother going cheap, you'll just end up spending more. Buy quality & be happy. I've had mine since 1999. Used it for all sorts of things including carting my Highpower stuff around.
*** Edit *** If you ask Uncle Google you can do much better than MSRP.