I do not flip (it is a job) and post rate increase I cannot find properties in my market (San Diego) that do not bleed cash after extracting the value. 

Is there anything we need to ensure is included in contract or other legal requirements so we can verify this is legitimate and extract her from it if not? 

I'm in northern Indiana and had a very efficient heat pump/central AC unit and when the outside temp got below about 40 degrees I had to use my forced air furnace as backup because the heat pump couldn't extract very much heat from the outside air to bring inside temp up and keep it comfortable.

However if I do a BRRRR I can achieve infinite return by extracting all of my investment.

It is a whole lot easier not investing in something poor, than investing in something poor and trying to extract yourself from it later.

An analysis should be done in each expenditure to ensure repairs are extracted and expensed in full. 

Using this strategy, you buy and renovate a property with your initial finances, then refinance to extract your invested capital for the subsequent venture.Seller finance: Seek for sellers who are prepared to provide finance.

So with value adds and appreciation, it is easy to extract the initial investment and scale.  

Liquidize the primary residence to extract the equity3.

However if I do a BRRRR I can achieve infinite return by extracting all of my investment.