But if you do the 1031 and since most closing costs are able to be applied using those funds, the formula changes to:380,000 - 170,000 = 210,000 - 5,000 (the closing costs that can't be applied) = 205,000That is a 50k savings in equity that you can put into your next property.

If that’s the case usually their formula looks something like this rent *.75 - PITI = additional income added to your top line income

That formula might not work for you, but you could modify the timeline to fit your needs. 

After you find a property use the Fast Formulas app to evaluate the property, the BPO app to get an exact valuation, then the Contract App to tie up the property.

What's common and what is the formula so I can do my math and see if this makes sense?

The formula is quite simple and given below:Loan amount / Property value = LTV value as a decimal.

I made my money the old fashioned way: I went down to the courthouse and learned how to research case files.While I may use data aggregators, compiled lists and algorithmic formulae to identify and exploit nano niches, I still rely on my skills at reading the paperwork. 

It's beginners level, and even though I know more than that, I still need some of that help.Besides finding deals, I'd like to have a BUY formula that works with all investors and doesn't embarrass me to present an offer to a homeowner. 

I read another post where a member said a formula of rent time one hundred is a good indicator.

Such as the comparison, and advantage of your MPP formula versus the MAO formula, and the many great articles you have up.