This allows someone to pay a high price, but get into the property without a lot of cash. 

It would more or less just be more money down or something in a reserves account/invested in a something with a high dividend yield (that’s more up his alley than mine).5.

If you’re available to meet or can recommend any events or meet-ups, please reach out.

It doesn't exist yet. 15% down will most likely be at a high 8% rate and you may get an LTV reduction with it being a short term rental. 

Lender's Title insurance seems high, but that could be because of location.

I'm guessing that it will be something like 10% to 20% but definitely not 40%.The one caveat on this is that for bigger buildings, the assessment is based on income approach, not market approach so they may not be getting assessed as high as the market approach. 

The husband has brought about 30 used tires on site that we’ve already had to move once.

Aside from this any recommendation about groups that  should join or actively participate to maximize my reach?

I recommend scheduling a call with a real estate lawyer.

If your lease includes this provision, I recommend issuing a lease violation notice for not allowing maintenance to enter and carry out essential repairs.