I work with many professionals who, like you, have a demanding full-time job but still manage to dive into real estate investing.

They are two young professionals with money, they have extremely high demands, they "know already" because they talked to their "xyz professional buddies already." 

These are professionals with additional training and a stricter code of ethics.

I have never experienced an industry where 'leaders' have to argue so hard to prove their philosophy.

BiggerPockets groups —lots of solid resources and a supportive community here or at local REI meetups; you'll find folks willing to share tips (and maybe even some potential partners).Here are some other strategies that could also help you scale faster:Partnerships/Joint Ventures: Teaming up with others, especially experienced investors or people with capital but limited time.

Here’s what I believe everyone except maybe the most experienced investor should do BEFORE committing to invest directly1.

Aside from disclosures, which I think can sometimes hinder a purchase or a sale, it's a lot harder to play dumb as a seller when you are a licensed professional. 

I have a high income as a healthcare professional, so the negative cash flow I can easily manage. 

Readers should seek professional advice.I believe the Note creates liability for the loan, the mortgage creates a lien on the real property that secures the debt. 

Next step Find a local Multifamily Investor group and go meet members and partner up with experienced people.