The Formula Cross YFC 450, a rally kart based on the Yamaha YFZ 450 ATV from 2002-2013, has been priced at $7,500, but that's for the build-it-yourself kit and doesn't include taxes or shipping.

But it was one product in particular that caught my eye; the brand's own Bolt Go-Kart Kit, which supposedly can be built from the ground up with just two wrenches. And it got me thinking ...