Oh geez, you know how a lot of these builders are. They have more planes than they can fly already, but they love to be in the shop. They'd build for free for others if it didn't mean that every annoying moron wouldn't show up at their doorstep wanting his latest project done yesterday. There's no way to make building for others a viable business unless you're a factory in China. But it can be enjoyable for the guys (and there are still a good number around) who pretty much just want to put one together and see it fly one time before they move on to another project.