The primary benefit of a smaller  renovation is you'll have a larger safety net if the renovation gets out of hand, the property won't sell, or if it takes longer than expected to rent.

I remember the reports of the first cases coming out from Wuhan in December of 2019 ,and obviously since everyone knows there are only 4 comprehensive bio safety level four laboratories on the planet, Moscow, Paris, Fort Detrick-Maryland and of course Wuhan Institute of Virology, and given that there are over 100,000 small town with wet meat markets throughout China, one doesn't even have to ask the question "what are the odds?"

I'm only seeing one rule (safety). 

That is a safety issue.

You may pay a bit more and make a little less, but playing the long term game is key in real estate.The types of structures could be lump sum (one price) or cost plus (meaning you pay the cost of material and labor plus a flat fee—more of an open-book model).I see some investors who want to pay for ALL the materials, which is excellent for the investor (more control of finishes & cost) and general contractor (if they are getting paid well).  

The bank used a comparable sales model. I

@Ted Akers  got it.. since It was not my business model I just fast forwarded to your default position..I have a proctor insurance account so I can insure for monthly fee. so house was protected for the few days I owned it. 

Then, and only then, tackle another strategy/business model. I

Though they close one out of ten deals, their business model is stealing deposits.  

People confuse liquidity with safety in regards to risk.