I am curious if people who do this with their primary residence that they live in have best practices for keeping your personal stuff away while not needing to get a storage unit. 

That said, if your comps don't require it, and your ARVs aren't there to justify the additional cost of finishing a basement, leave it unfinished.We have built SFHs on the North side of the city, and while our demographic and price point is different than yours, for a 3000 SF house we would generally do the following:-4 beds (3 on the 2nd floor + 1 in the basement)-3.5 baths (1 ensuite for the primary, 1 shared for the other 2 bedrooms on 2nd floor, 1 full bath in the basement, powder room on main)-Completely finished basement with rec space, storage, laundry, wet bar*I don't believe you'll be able to fit 4 decent sized bedrooms all on the 2nd floor with 3000 SF.

Gives multiple access to subdivideLittle storage in town.  

We also have a basement but it's being used as storage and we rarely use it. 

Companies that focus on data storage or manipulation type of companies.

They have a couple of mobile home park, self storage and multi family funds.

Most of our members come from Multifamily, self storage, mobile home parks or already have commercial experience. 

Make the tenants pay for storage of the existing units (unless they are old and you can sell them). 

If I had the time I'd try to acquire self-storage facilities in that area.

I'm new to the commercial side of investing, and have been researching and doing my homework on Self-Storage facilities.