If this your first, a flip may be a viable option so you can build up some reserves. 

Hey jeremy, sometimes the best options may not be local I recommend asking some qualified investment focused brokers 

But I suspect, regardless, the mid-term market is not a place for adding expensive amenities; those folks are typically on a strict budget and staying long term; the budget and often, proximity to the purpose for their visit drives booking decisions.

If sales price is 400k and I want 75k cash but tenets only can provide 15k, what are my options?

What does your typical list of these things include?

Are borrowers who utilize these funds typically involved in flipping properties?

I know it is too late at this point but should you find yourself in this position in the future I would utilize the 1031 exchange option.

Fortunately the irs one kinda works itself out and the others are typically small I think.

What is typically expected considering approvals/permits take notably longer to get in the Northeast. 

One of the deals you bought into is a typical example of that.