Always Have Contractor Agreements in Writing, Don't buy the Oddball Houe on these street.

Real estate agents would make your life 10x easier by doing all of this for you, paying for photography, writing the description, negotiating with other buyers, pricing your home to SELL in the market you're in, and ensuring that the deal doesn't fall through..

Write a book or sell videos or even better do seminars and bootcamps.

I write all that up when I make offers, to show them the benefit of carrying a note back for me. 

You'll write a check to the IRS for $2,400 for the income tax leaving you with $3,600 that was essentially created out of thin air... an infinite ROI.

When you write a new lease, be clear on tenant responsibilities.

I'm not a CPA, but you might be able to write off much of that travel depending on how you do it, in which case that would increase your overall ROI.

When it comes time to writing your offer, a HELOC is considered cash. 

I can't tell what state you are in but try posting in the Bigger Pockets state forum where those properties are located and lean on some other local investors on who they know that write those types of loans. 

I thought they were obligated to tell me in writing.