Although I don't think I would personally sign that, ....30 days seems excessive, never heard of such a thing in my area.

Lean heavily on your land broker, they will have the best knowledge of the markets, they know the builders, they know what the builders will pay per lot, and what their appetite is for new lots.

Sometimes the field bed will fail due to excessively saturated soil or crushed lines or various other reasons.

s more  There's so much hype and "excessive exuberance" in REI, I fear a great many can't connect the dots that so frequently lead to "unintended consequences". 

You can take your excess capital and invest it passively in real estate or in other asset classes and not loose all the benefits of leverage in your real estate portfolio.There are ways to invest in real estate where you can mitigate risk, reduce volatility, carry leverage, get leveraged tax benefits, get some leveraged appreciation benefits, have cash flow, force appreciation, have high IRRs and control your financial future without sacrificing some of these benefits for the others.  

Congress has little appetite for increasing debt, so the money has to come from somewhere.

But that is just me.In any event 550K sounds excessive.

There should never be an excess of 300K of unused funds on a 500k deal.

A landlord shall not demand or receive security, however denominated, including, but not limited to, prepaid rent in an amount or value in excess of one and one-half month's rent.

Is it the epitome of CA excess?