For prop tax I derive the tax rate from the most recent year's tax liability and total assessed value- then multiply that rate times the assumed purchase price.(4) 100% agree. 

If so, you need a sit down with them to explain it's got to be a partnership working together to take care of these critters.The Advion is good (as are many other products from places such as DoMyOwnPestControl) but if the tenants continue to provide a food AND water source for the roaches they will continue to multiply and continue to infest the property.Some tenants are simply stupid about the way they live yet expect the landlord to take care of the pest control situation.  

Its an additional influence that will more than likely multiply it's value, above and beyond what I can do with management experience.

You are able to rent them all at at the same $1400 however your expenses are more and you are only able to cash flow $250 on each, so multiply that by 5 properties... $1250 a month cash flow.

They do the value based on cap rate or gross rent multiplier and they don’t have the 6 month requirement.

Note I even used a higher multiplier for the old value (which does reflect reality in San Diego market).Note the actual cash flow is not the initial cash flow but is the cash flow that is actually realized over the holding period of the property. 

But, when they are multiplying by the 1000s in a unit attached to yours that you can't get to, it doesn't matter how much you treat your own or outside.

Let's use $1,000 just as a base number for a Cost seg study just because we can multiply it easily. 

My avalanche is about to get a tune up new suspension and 4 new tires less than 2000$ and it will be ready to go anoter 75k2.

@David Ivy Yep that's true David, in the formula for that cell I took the ending hypothetical value of the home after 30 years with the assumed house price appreciation, then multiplied it by the 6% percent realtor fees and subtracted it along with the capital gains deduction and original value of house, then multiplied the result by 15% to determine capital gains tax.