I think smaller markets say sub 50k population would have a larger impact from one big move from a manufacturing facility or something like a Amazon processing center.

I’m in the process of getting my real estate salesperson license to gain access to MLS listings as well.

Quote from @Jin Zhang: You initiate the process by filing a 3-day Notice.

It really depends on what you are looking and I think your thought process is correct.

Lessons learned are related to the title process I use with sellers and buyers.

You would have to go after the one individual for non-payment and you could only remove the other three by going through the legal process like you would for someone on a verbal agreement, which puts you in a he-said, she-said situation. 

I'm tempted to do what many have said which is to just use a debit card, but I get 2% back on a CC, which is not insignificant when managing dozens of vendors, and I really hate to change a process that's working because the software I chose is lacking a basic feature.  

Additionally, I expect applicants to follow instructions in the advertisement and application, to make and keep appointments, to show up on time for appointments, dress and behave appropriately at appointments, and in general demonstrate throughout the process that they are someone that is easy and pleasant to do business with.

Lessons learned are related to the title process I use with sellers and buyers.

Unfortunately, that is an expensive time-consuming process.