You have to know what your goal is in life, then you have to develop a formula/process to get there, then you have to do the most important thing of all, you have to EXECUTE! 

Have some kinda of formula to Calc these liquidated damages.

I offer a real estate course called the flip and flow formula.  

The sell is more like a formula that comprises of the the below:1. does it meet 10 years net cashflow and principal reduction payments?

.$942 - (5% * $173,111 / 12) = $220.70.Note that it's not even necessary to know if it's a 30YF or 24YF or 15YF.In terms of calculating what the total P&I payment will be, there's a giant formula, you do need to know the term in that case, I did it like 3 times when I was first licensed to prove to myself it wasn't witchcraft, after that I just use a financial calculator.

I agree that multi-unit properties will not give the investors the 800% returns like in the past 20 or 40 years, but the single family homes are also in deep trouble and I will bet that the investors buying single family homes for the prices are going to get burned big time and the investors buying the multi-unit properties may not see the 800% returns in 20 years, but since they have the opportunity to increase the rents and they have 4+ rents coming in the multi-unit investors have a much better cushion and a much better chance to forcefully increase the value of the property by increasing the rents and increasing the cap rate, or whatever numbers investors like to use.I never pay attention to the cap rate and can't ever remember the simple math formula because I don't care so much about the cap rate when I purchase the property as I care what my return will be after I make some improvements and raise the rents and that is the nice thing about multi-unit properties.

Facts and formulas: According to the U.S.

Thus a reasonable utility allocation formula.

Hey BP experts... any advise to a very good user friendly "VACATION RENTAL (STR) calculator" I can DOWNLOAD to website for Prospects, Customers and ClientsSeeking for a formula to ROI for resort second home propertyYour Advice Is Greatly Appreciated... 

What you illustrated was the formula for Internal Rate of Return which is the true annual rate of earnings on an investment which equates the value of cash returns (cash flows) with cash invested.