There are many reasons to buy into the small housing trend or even the tiny housing trends, though what the best options are for you will really depend on your own needs. If you're a single person, you will only really need a minimal amount of space compared to if you have a spouse and/or a child or two. Likewise, if you tend to do your socializing outside of your home, you'll need less space than if you like to throw dinner parties for your friends.