Weigh out the Pro's and Con's between Traditional, Portfolio, and Non/QM like DSCR. 

traditional How did you add value to the deal?

Financing the deal with cash and a loan from your brother helped you avoid traditional loan costs, which likely benefited your margins.One key lesson you’ve pointed out—always buying low and, if possible, getting an inspection is something that can save a lot of time and money.

Traditional lenders in this industry won't fund you on a purchase of a SFH that has leases for rooms and the building will need to be in your LLC name which means a primary bank won't lend you either cause of that and cause of your employment status.You have a real chance to start. 

They may see it as "greedy landlord trying to get rich off of me."

It can be a lucrative business opposed to the traditional LTR, but you definitely need to have your heart in the right place.

Is it a romantic notion of getting rich in real estate investing.

Rich Dad, himself:

@Rich SolanoNot familiar with any lenders offering interest only.

Thanks for the insight Rich