Fast won't really matter once the cycle of them loading and unloading starts, you can have a chain of them with an hour between them, to load em up.
10 airships that take 10 hours to arrive pretty much the same as one plane that takes an hour.
As for cruises, thousands of people still go on luxury cruises rather than fly, making the journey more enjoyable than the destination.
As someone who's interested but a total dummy in science, I'm assuming they're a very low powered form of transport... the vertical lift is 'free', right? apart from a small amount of lost helium here and there. So you'd only be powering the forward motion, and then only if the wind was against you?
I also had the strange idea of having a home like that when I read it, just having it say 10 feet off the ground, and a winch and rope ladder, no burglars or vandals, no salespeople at your door, no jehovah's witnesses