The loopholes it uses won't work for long, and it's not practical when traveling. Besides, this is an Apple-created problem that they could easily fix by allowing people to deploy apps to their own devices without any stupid limits.
Doesn't building an iOS app requires an Mac?
That's not the same as being available as an easily installable executable and such a drawback for most people.
But you may not have access to API capabilities needed without an paid account.
the whole point of the third-party stores currently is to help you avoid doing all of that