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.

Is it the full cash amount I depreciated or the amount of depreciation multiplied by my effective federal tax rate?

Or do I subtract taxes, insurance, exc from monthly rent before multiplying and dividing?

Now multiply by whatever number of properties you have as your goal!

@Clay TeegardenAmongst the avalanche of nearly identical responses from my fellow accountants about setting money aside and rates and so on, I will repeat a point that I consider crucial:There is no guarantee that you will have any taxable profit when you start flipping.

Multiplex has lots of responsibilities to manage multiple tenants and other related issues which are multiplied as well.