Currently the owner pays all utilities and they only rent for $500 and $450. 

Lord willing, my family is going to buy a SFH on an FHA 203K with the intention of rehabbing, owner occupying for 6-12 months, refinancing out of the FHA, moving into another place, renting out the rehabbed SFH to students, pulling equity out and Utilizing another FHA203k for a permanent place for my family.

Lord willing, my family is going to buy a SFH on an FHA 203K with the intention of rehabbing, owner occupying for 6-12 months, refinancing out of the FHA, moving into another place, renting out the rehabbed SFH to students, pulling equity out and Utilizing another FHA203k for a permanent place for my family.

My rentals are in the new haven county and I’m wondering what kind of upgrades you guys are utilizing to increase rent or to maintain a good rental.

It's common to have an illegal basement unit in Chicago but it's obviously a risk.

It may be a tenants in common relationship.

I have never done it but it is fairly common for some to get started house hacking a smaller multi family property. 

I wonder if they were saying it costs about 10k for the materials to "print" the exterior walls or something, not counting the labor, overhead and machinery involved to build those walls...Not even counting the foundation, roof, utilities, trim, partition walls, doors, paint, etc. 

Bill You should start by contacting the Real Estate Board: There is a recovery fund for consumers who have been damaged by Brokers. http://www.dre.ca.gov/consumers/consumerrecoveryaccount.html  One of the most common reasons for Brokers to get in trouble with the board is for this kind of thing.

In my honest opinion, it's their space, they should be responsible for the fit-out and complying with all applicable codes since they and their customers/workers will be utilizing the space.