Someone to stock supplies, an appliance repair person, heating/air conditioning repair, plumber, lawn care person, carpenter, salesman, and occasionally an electrician. 

You might get transferred a couple times until you reach the right person.

A friend of mine, Ryan, who invests heavily in Baltimore, realized his interest costs were eating into his cash flow.

@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.

Can confirm Joseph is a real person 

An LLC shields personal assets from business liabilities, while S-Corp taxation allows you to reduce self-employment taxes by taking a reasonable salary and distributing remaining profits as distributions, which aren’t subject to payroll taxes.

Some regional cities that I personally would consider are Savannah, Beaufort, Wilmington, Columbia, Greenville, and Charlotte.

I have purchased 3 STRs personally in the last 18 months and have closed on at least 25 for clients in the past 12 months.  

@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.

My personal goal is to build a rental protfolio, but I'm open to anything.Thanks in advance.