It makes sense that real estate income tax would only be Subject to SE tax if you were able to claim Real estate professional, one without the other generally isn't how the code is written.

One rents to a mother / daughter and the other to a young professional couple.

No credit is available, but yields are 10-14%.I'm curious about the general attitude towards these kinds of transaction from American investors and other real estate professionals.

Having an attorney on you team will make you that much more professional to sellers and buyers.  

Suddenly I had enough money to pay my bills, with a cushion to spare, and—at the urging of my sister, who had been interested in real estate for a while—I came up with the audacious plan to buy my condo from my dad.I had been a homemaker for many years before becoming a professional author, and had relied on my husband to take care of all financial aspects of our marriage.

I have a tri-plex rehab project I need to get done but I am having a heck of a time finding a professional, reliable contractor.

Looking for a tax professional that can help with sound advice and annual tax preparation as we grow our rental property portfolio. 

I got a professional quote for smoke repair and it was 4 times as much as I am requesting.

I am currently enrolled in a class in college called professional development and we have to interview 5 people in the industry we choose, and do a write up on each.

My wife and I are both  medical professionals  and we make a decent income but we would really like  to get into real estate investing within the next couple years,  primarily  buy and hold multi family properties.