It also identifies signer names within the documents, allowing you to uncover the owners behind the ownership entities.Currently, lenders primarily utilize the platform to monitor client and bank activity, but we're exploring options to tailor the tools for investors.

The process seems daunting and overwhelming, and I am not confident I will put the time in to talk to sources, analyze, and find properties for investing purposes. 

.- Suggest you try to network with other landlords in your area, check MeetUp app and others.Your other option is to hire an attorney, but understand you will have to pay them for your ignorance.

If section 8 pays $1,500 a month, then other gross income sources in the above example (if 3x income ratio is allowed) need to total $4.5k per month. 

That will start to tell you if rentals are a feasible option for you.

Or is the PM also sourcing the deals?

When trying to analyse STR I try to use as many data sources as possible, AirDNA, Rabbu, Pricelabs and good old networking, ask around see what other investors are getting for their units. 

Echo this and add other sources like Zillow or Houzz...really great to get ideas, for free!

Many options available.

I have spreadsheets filled with material lists for every phase of the build that includes pricing for materials as well as labor, and sources that I use for them.