Ultimately these traits are saving you time and time is more important and expensive than 3-6% commission ( obviously depends on your conditions and your goals) so ask your self that question . 

Look up each LLCs ultimate owner individually in the publicly filed information?

It provides financial flexibility, faster transactions, expert advice, and enhanced credibility, ultimately leading to more profitable ventures.

The coastline continues to grow and with towns like New London working  to build up their infrastructure to draw in more business and ultimately residences, it feels like the area is heading in the right direction overall.

This will ultimately end up being work you do on your part to find what works for you.

Start by reading the Ultimate Real Estate Investing Guide: https://www.biggerpockets.com/guides/ultimate-real-estate-investing-guide/introduction2.

Ultimately depends on you and what you'd feel comfortable with.

The other side will try to mediate a bit, and ultimately, if they don't cooperate you will get the eviction order.

There is a relationship team sourcing deals, then due diligence teams to perform DD, and ultimately investment committee meetings and sign off.  

Start by reading the Ultimate Real Estate Investing Guide: https://www.biggerpockets.com/guides/ultimate-real-estate-investing-guide/introduction2.