The problem is what you'd actually get for only $5. It may be so stripped down that a lot of functionality is not there. As it is the basic Heltech has no GPS or screen.

It does also have to be as non-technical as possible for most ordinary users. Something like a T-Echo that you buy and just connect to and use. We're trying to get ham radio operators involved now to set up some home locations that stay on 24/7 as many are discouraged when they power up and find no nodes visible anywhere.