Which is a great goal if you’re planning to scale a portfolio or start a co-hosting or property management business like I did.  

If you look at this as a regular business, its revenue is $82k, and its expenses are $41k, so the gross profit is $41k. 

Scheduling is the biggest headache , you may be sitting idle for 2 to 3 weeks because a sub is busy , of another sub was running behind , or an inspection failed .

I've had a passion to work for myself ever since I was young, and after starting my own "Pressure washing" business a little over a year ago,  I have found Real Estate to become a very heart driven path for me (Considering I work on houses).

Rental property that you run as a business is a different story.

The business of being a landlord is about providing great customer service.

It has been awhile since I updated because it has been a busy month. 

The FNMA "New Book of Business" instituted circa 2010 (see this SEC document that mentions the term) https://www.sec.gov/Archives/edgar/data/310522/0000950123110... completely revamped GSE underwriting as @Jack B pointed out. 

Preferably over 85% of business with investors.

For me a quick guide,  is I look at school rankings, easily found on Zillow if you type in a home address and what's surrounding the area as far as types of businesses.