If the appraiser used an Income valuation method, what was the market rent they used in their evaluation?

I really want to allow for this person to benefit from this transaction, but I am struggling to find a method where he could.

And it also depends on what loan type you are using, if you are purchasing vs. refinancing (with the BRRRR method for example), etc.  

In my area when you advertise plumbing, electric, hvac, general contracting etc.

You're CoCR is a great metric for one of those 4 methods, but it might be better to look at your entire ROI.For example, I have one property that I bought for $99,900 with 20% down plus closing costs, which came to $21,609. $1,245 (Rent) – $549 (PITI) – $124.50 (PM) – $124.50(CapEx + Maint.) – $43.92 (Vacancy budget) = $403.08 Monthly Cash FlowLooking at my CoCR, that comes to 22%.

Also, is this essentially the BRRRR method?

I'm a rookie investor who has come across a deal that seems to work well, but I could use some assurance or advice.  Here's the sitch...I come upon a property in Alabama from a wholesaler for 37k.  Rehab estimate is 2...

It sounds really good and it excites the mind because you're going to get a business that's going to borrow the money but in practicality I just don't see it in the market like what they say it's going to do for you.A lot of times what you get with these gurus and these educational programs that you spend thousands of dollars for or that local ria rep who's going to tell you that he's the king or the or she's the queen of something all of these methods that they're using you got to remember they're on the circuit to make money and they're not making it because they're executing on their strategy they're making their money because they're selling you on the strategy.

Whats the best method for calculating accurate repair costs?

And I have a decent understanding of basic construction (framing, plumbing, wiring, door and window installation and the like).