Steven-What I gave you was as rough an estimate on a couple ball park figures as you can get. 

SMS is cheap but not a golden goose. 

I would do a few things to get the ball rolling.

(b) All persons named or enumerated in subdivisions (a)(1) through (a)(7) may exercise the right of redemption granted by this article within one year from the date of the sale.

She's stalling, you need to play hard ball.

You'll have to grind the 4D's (death,distaster,debt,divorce) till you find someone desperate enough to take a low ball offer, like the other guys do... or if you've got the team, maybe you can do high end remodels buying 800k houses at market price in Los Angeles and selling them for 2m.

Getting the ball moving quick.

The values ONLY work for refi's its customary in those markets for actual buyers to low ball. 

Jay, the deposit gets the ball rolling on the construction end and ensures that the buyer will move forward with the deal as in any contract.

The trick is to find a lender and a title company to play ball.