I think the big selling point with AEV factory builds is that it is completely thought through product that is assembled in a factory, with a stamped serial number, warranty, financing, and with little sacrifice to day to day use, with fit and finish that is OEM. It is a package that anyone around the country can buy without knowing a 'guy' who assembles aftermarket components or having that skill themselves. Could one research a bunch of different parts and assemble it themselves for a lot less cash? For sure. Will it void warranty on a 2016 truck? Likely? Do all of the components work together? either you did your research or hope the guy assembling you truck has done their research. For some people, putting together the components for their specific needs is part of the fun, and others could care less about that aspect and just want a product that works. There is a place for this kind of product, but likely not for the masses.