An interesting way of looking at it from the layperson's understanding.

I assure you the actual rules of wizard travel/tampering/futzing about/studying and eventual settling down is way more complex and to be honest contains so many provisions and derogations that to write down a fully encompassing copy is a wizard's job in and of itself.

I mean, it neglects the fact that wizards' towers are in fact immensely mobile. Such as in The Magic Goes Away