we mainly have a team of people we go to for the various jobs required for build but one of the biggest cost savings for us was building on an existing site because we basically were able to extract value from the front house - we used the same land twice essentially.  

How can I somehow extract capital from this deal, so that I can go out and either add on another unit to my current live in rehab, or go shopping for my next deal, without waiting 2-3 years?

(There are currently no floor drains in the building)5: Exhaust extraction system for motor vehicle exhaust

I believe I can extract about $180,000 of equity in a cash out refinance, allowing me to buy another $533,000 of real estate.  

I finance after a rehab and extract as much of the equity as the loan will permit. 

We have done a few BRRRR and our experience is that without an assist from market appreciation, it is real difficult to extract all of the investment due to both low LTV and very conservative/low refi appraisals.  

Mass population often does not that is why Government likes basic workers as they can extract max taxes off of them to fuel big government.The mass population tends to live on high interest rates credit to get by.

This forum is a great place to do everything you said - network with experienced investors, study articles on RE investing, listen to the BP Podcast episodes and extract nuggets for your knowledge, purchase books, attend webinars, and more and more.

My goal is to extract most, if not all, my money from every investment property that I own so I have essentially transferred all of the risk to the lender while staying liquid.

The trick is extracting it from them.