There are multiple paths to profit (or loss) and as an investor you have a wide array of choices for how you seek to maxmize your return. 

So, a simple rule of thumb would not account for the wide variability in what it might cost.

The one side of the house w 3 bedrooms is already ADA compliant with wide hall and doors to include community ada bath.In the next year or so, I'd like to rent out to assisted living company or the like.Any advice is greatly appreciate and anyone interested, pls let me know.Thx!

As one of the biggest home buyers nation wide, word has it that New Western has 4 dispo reps for every 1 acq rep.  

on some older homes the fans over the stoves are 36” wide, and microwaves over stoves are 30” wide.

Property taxes are a major expense for property owners and can vary widely depending on the location and the type of property.

So, a decent deal is likely to get better over the long run. given the high amount of cash needed for brrrr do you feel it would be better to start with a long term rental as an initial investment that has less risk involved The money needed to complete a BRRRR varies WIDELY from market to market.

Rent control is widely discredited by many if not most economists, and many housing advocates.

In other words, fewer lawsuits but harder ones.Multifamily - Many of the issues you mention vary widely depending on the state where you do business

I can't believe this isn't being talked about more widely.