I would focus on established markets that are still showing growth and have more than just one draw.Taking my main market of Tampa Metro as an example - There is more than just beaches, you also have MLB/NHL/NFL + Spring break and MLB Spring training, aquariums, golf, casino, new downtown development, and a lot of business travel.You want to avoid markets with just one draw, as if something happens to that draw, you will be hurting for who knows how long.

I am seeking perspective from the savvy note investors as well as established buy and hold (rental property) investors regarding the "best" strategy to grow net worth over time. 

While "hard money" and "private money" are often used interchangeably, there are subtle differences:Hard Money Loans: Typically offered by established companies or groups of investors.

I would simply establish relationships with realtors and your investors. 

We only agreed to the ridiculously high fees because we wanted to establish business credit for new LLC and were told we could get the lump sum in our account in 2 weeks or less.

Was hands on with tenants which established trust and was able to get information.

Those syndicators establish investing protocol and disclosures for their passive investors.

I walk to the front and the tenant has removed thousands of dollars of established landscaping and is planting annuals in their place, which will surely die in the summer heat.

Strong Rental Demand: San Antonio boasts a growing population and a thriving job market, making it a hotspot for renters seeking affordable housing options.

4 or 5 good quality 350 k SFH in a good prime location with thriving industry , booming population and good schools  ..that would be quality door count