Nothing wrong with it. Just keep it under control.
I daydream a lot.
Lately, it’s been looking at new houses and condos, whether bought or built. I want to move sometime in the near future.
Nothing wrong with it, but it does get in the way of the things that need to be done.
So daydream. Nothing wrong with doing it. (Some even make a career off them.)
But don’t let your hopes of future possibilities distract you from the work that makes it possible.