While I understand the standard expectations of lenders / investors, trying to search for the non-standard options, that would work for both sides.

With that kind of real estate in your pocket you are certainly wildly successful and a very savvy and intelligent person. 

Total square footage could work out to about 30,000 when all is said and done.If I am able to negotiate a contract with the seller to carryback the 20-30%, what kind of financing options would we have. 

Her math is off but it's a valid option.

Sometime saw investors add clauses that were like put options, but in the real estate market.

@Michael Mainini you have options and renting could be a good choice if your interest rate is low.

I look forward to learning and chatting with you all here in the Bigger Pockets community!

I have a rental home in Centennial, Co (couldn't find Centennial on the Colorado city options). 

I have a buddy that is in mortgage but unfortunately we are not able to secure deals with his company because most buyers have better financing or cash options and this is taking me out of the game.

Secure funding for your flip through options like hard money loans, private investors, or leveraging your home's equity with a HELOC.