Of course they'll want their assurances and skin for that consideration.A reverse exchange can certainly buy you more time but even then it is going to limit you to a 180 day window to complete your sales if you use the safe harbor of rev proc 2000-37.  

You aren't going to make enough to justify selling and your ltv margins are too tight to justify refinancing an investment property considering the cost of fees to refinance and mortgage insurance.Also, $25 more per month is just going to irritate  a good tenant so leave it alone.  

Seller is willing to carry 30% but my current lender still wants me to come to the table with another 20% so that I have skin in the game.

Gotta put some own cash/skin in the game.

It is your skin in the game, the rest usually can be financed.

So, there are ways to skin this cat, but it is not by lying to an owner, getting a contract to purchase and then selling rights to purchase with an assignment of a tainted contract!

If borrower doesn't bring money to closing you as lender lent too much ... borrower doesn't have skin in the game."

Bank is requiring 100k in cash from me per building, so I have some skin in the game, and is not letting me start the next building until I am 100% filled with the buildings I have already built.

You would be unlikely to be able to get a listing on a major crowdfunding platform without putting skin in the game.

I used treated and regular lumber to frame-out the benches and then skinned the framework with Hardiplank cement board.