If you have a valid A-B contract, and a valid B-C Contract, Opened in a legal escrow, then they will provide the "instant funds" to fund your purchase, allowing you to buy the property, and then instantly sell it to the end use buyer.  

When the data is pushing historical extremes, I tend to take note.As we have talked about in the past my biggest concern for the bay area and other Tech areas is that if Tech stocks have a correction, the real estate market could change virtually in an instant, as opposed to the long dragged out market cycle that real estate investors usually have to work with.Who knows what will happen.  

@Ben Leybovich   tongue in cheek   not sure what losing your house in Lima Ohio is some super security for the lender  LOL... its not like your pledging your Lido Island mansion or Malibu beach pad.and I suspect you have your personal assets protected.. if your borrowing money like this you want to have some amount of protection.. because 30% equity in a down market can evaporate in an instant as we all saw... but hey that's risk and RE. for sure.. but by the time a creditor came after you personally means all your investors have been wiped out. !

The difference between bid and ask is your instant negative equity. 

Have an agent set up a search for you, or in most places you can do it yourself, that you receive new listings instantly. 

Enable instant booking if possible.

I couldn't imagine life without instant MLS access to jump on new deals and easily analyze properties.

instant duplex.

This is risky if you don't have a way to pay off the loan on demand because the loans will be instantly callable because you will have to exercise the due on sale clause with this financing.  

I have sold investment properties to clients over the years that have gained instant equity and great cash flow right out of the gate but for some reason get stuck myself on getting my own portfolio going.