I say this only to relate activity that sets off alarm bells, not to impugn what you are doing, which is better than 90% of what is hustled around these parts.

I would be prepared to file for eviction etc. if they are 1 day late on payment, but would not actively be working to get them out if there is not a blatant current violation of the lease agreement. 

But choosing a head not to be on one or two may turn out to be the one that gives you activity

I could complete the main road in phases, build 2-3 at a time (could do more really as we have 15 right now actively being built but realistically not sure how fast it’ll sell.

I know when I was an active Broker my SOP  was get listing open escrow with buyer to be determined and order the preliminary title report prior to spending money on marketing someones property..

To leverage the STR loophole, ensure active participation in managing the property.

Huge cash out in the future from appreciation or active income from rentals now? 

Look at crime rates, school quality, vacancy rates, and rental demand in those areas.Talk to Local Real Estate Professionals: Connect with real estate agents, property managers, and other investors who are active in the specific areas you're considering.

Absolutely no screening activity involved whatsoever other than these non-fair housing related mentions. 

Focus on building and maintaining active income first.