That brings in $1100 per month.Current loan: $188,000 / Owed: $181,000 / Monthly payment is: $1340 / Although I pay into it $1500Originated 07/2017 / Rate 3.75% / PMI = $122 / Credit 740+ / Previous Appraisal $197,000 / Current Comps $220,000I ran the whole "Should I refi equation"(Old Rate – New Rate) /12 x Amount Owed / 100 = Monthly SavingsAnd figuring a New Rate of 4.25 I got about -$75.

Obviously the financing of the project is a big part of the equation.

I agree with Seth and Todd's comments, but would also add that factoring in any immediately needed CapEx should go into your equation.  

I must assume that you are much too knowledgeable to try to time the cycle, which means you must have hurdles in mind when the risk equation is good enough to deploy.What are some of these hurdles you are looking for?

I am trying to wholesale properties but I need to know if my buyers factor tax into the equation.

Especially when you start throwing variables such as STR's in the equation. 

It's basically a reference book - it has charts, equations etc.

Langer had been doing this for 40 plus years.. he had over 250 VERY loyal investors and that equated to about a 50  million dollar book..

This has whats created the values where I live the west coast.. solid rentals  tons of homeowners and NO land to build on .. supply demand = prices rising.. now we will see if that equates to rising rents like we have seen on the west coast..Some of these cash flow cities will get bracketed if they are heavy to subsidized rents.. 

In my actual proposal I give the listing agent a flat fee that equates to $1K above 3% to compensate him for the extra work of dual agency.I'll have to check if it is illegal in California; I hadn't even thought of that!