I personally like the BRRRR strategy - it's not easy to pull off but it's simple and it works in theory. 

Under any scenario, any state, someone who sits on their rights and lets someone get into the weeds to the benefit of the person who sat on their rights, will NOT have those "rights" enforced by the courts.  

I personally haven't sent postcards, I've had good luck with PPC and Video ads. 

Quote from @Leonard La Rocca III: So is it common to find a conventional loan without meeting the lender in-person?

@Grant Shipman Great stuff, I'm a big fan of co-living/rent by room strategy, and I do it here locally in Denver metro, and it is the best strategy in today's market for any house hacker to live for free or make money while living there, but they have to sacrifice personal space.

The first is having a personal portfolio of 5 passive rental properties, not including my residence.

I've only had one person look at my home. 

Who gets blamed for and/or has to handle the following unique to nonfamily roommates:1) Missing personal possessions?

Personally if you are looking to grow in real estate going the traditional method/way of getting good properties under agreement with traditional financing will get you to where you want to go faster than trying to find all the needles in a haystack.

@Marc Zak Using an LLC for each property provides strong liability protection by isolating risks to individual assets, with income and expenses flowing through to your personal taxes on Schedule E.