Most hard money lenders have one, even though in some instances it may not be required.

Before you dig into construction costs, I would try and find someone who can finance it as a tree house is unique and not every lender may finance that.

If not from CT and there's any networking events or groups online - id love to hear which groups you recommend/ webinars . lastly, any advice on how to properly approach investing professionals as a beginner - would be greatly appreciated. 

They might be a good fit for your situation since DTI isn’t applicable—underwriting is based primarily on the property’s income, not your personal finances.

It would likely kill all your cash-flow.In my opinion, filing + advice for someone with that portfolio size should be less.best of luck

I don't know if that will bring the price down, and I would have a hard time selling. 

How would the PL ever get their money back?

From my experience so far this is going to be a long and tough process.

In some states there may be some benefit, but personally I have not seen a reason why a land trust was ever needed. 

Trust me, a lot of these people are fools that are fooling you into taking your money, claiming their riches when in reality everything is overleveraged.Like many things in life if it's too good to be true, it's likely too good to be true.