Nice, but confusing.Our situation: FICA for kids turning 18 while working for us.So, the only thing we can conclude so far is that the age definitions in the tax law are wildly inconsistent and unclear.

A lawyer might be able to answer this better, but most rentals fall under fair housing laws (there are exceptions) and that protects against discrimination based on familial status which means children or someone who is pregnant.

@Gene D StephensAdverse possession laws vary by state. 

@James Wise MICHIGAN UPDATE: new law went into effect January 2, that landlords can no longer discriminate on tenant income source.

I understand there are some protections that go along with it with all the law suits going around but hardly doubt they would go after an office with two agents in it.

There are a couple of unique tax laws to real estate investors - 1031 exchange, bonus depreciation on certain improvements, Qualified Opportunity Zones, real estate professional status, etc.Make sure that the accountant you interview to understand the above concepts.best of luck!

Also look at the rental laws in the areas you are considering, just so you understand what you are getting into and whether you are OK with them or not.

As for Alexandria specifically in terms of regulations don't take advice from a public forum - look up the laws yourself and make sure you understand them.

We do attempt to notify the owner before we make the decision and give them the opportunity to give input but keeping the property and tenant safe, and following the Tenant Landlord Laws are more important than getting permission. 

Duplex can always add additional units via the ADU laws. 8) Related to number 1, purchasing a property with an existing ADU is cheaper than buying a property and adding an ADU.