Once you narrow it down, start with small jobs to test their reliability and quality before giving them bigger projects.Building a solid network takes time, but having dependable people on call is a lifesaver for your rentals.

To get started, connect with a knowledgeable real estate agent and lender, practice analyzing deals, and network through local investor meetups.

NETWORK!!!

It's always good to add like minded people to each others networks.

Bigger Pockets is a great place for education and networking. 

Research the area's nuances, understand BRRRR financing strategy, network with local investors, analyze potential deals, use VA loans wisely, explore financing options, and network through investor groups.

Also, networking with investors already in commercial real estate could give you some great insights.

A major part of the success or failure of an STR investment is the design, furnishing and management plan.

That being said, the vast majority of mortgage products available (primarily DSCR) to LLCs are still going to consider your personal credit in the underwriting process.

Continue to network with people in real estate, go to real estate meetups, connect with investors in the forums.