(Yearly Gross Rental Income) x 7 x building condition adjustment factor = MAO Yearly gross income can be derived from monthly income by multiplying with 12 months in a year.

My experience with reno is whatever you think its going to cost, multiply that number by at least 2 or 3 times.

Your effective gross after vacancy and collection loss will bring the multiplier up even higher.  

So, $3,000 per call multiplied by the total number of calls you have the company place.Furthermore, while most real estate investors don't realize that their calls can be considered "telemarketing" under the TCPA because they think of a telemarketer in a common sense approach versus the legal definition, there would probably be other violations under 47 C.F.R. 64.1200(d) which could add another violation to the mix.

Something that every flipper and rehabber should be aware of when they first analyze their deal.In Chicago where I do business the deals are priced as a multiple of gross income (GIM = gross income multiplier) and to a lesser extent, cap rate.

Then multiply into the sq ft of the property you want to buy.

Check under the education tab and the Tools tab.Two terms you should be familiar with for Multi Family buildings are "Cap Rate" and "Gross rent multiplier".

The assessment is the value that the tax is applied to, in your case, multiply the mil rate by $9350. 

Given a GRM of 8.7 and a GOI on my subject of lets say 30k a month- fair market price of my subject is $261,000. (30,000*8.7=261,000)If the GRM was the same for the area your duplex deal is in then a fair market price is $168,084.Gross Rent Multiplier serves to indicate what the market is paying as a multiplier of the gross income.

Also consider that if you invest $10K and raise the rent by $100 you have not improved your gross rent multiplier at all.