If a property clearly meets your formula there is no reason you would not refi if the cash taken out does not cause any rule conflicts.The cash could then be used for another deal that meets your criteria.

Flip2freedom episode 77http://www.flip2freedom.com/a-3-step-formula-to-a-successful-balanced-and-insanely-profitable-2012/ - LISTEN TO THIS TODAY!

Flip2freedom episode 77http://www.flip2freedom.com/a-3-step-formula-to-a-successful-balanced-and-insanely-profitable-2012/ - LISTEN TO THIS TODAY!

, bite the bullet and get an accounting software package - - at least you can generate reports correctly and start to see that you may have entered data in the wrong places.Excel can do the job - - If you aced Accounting 101 AND master all those formulas and cell referencing technique.Upon install, run the Wizard and pick Real Estate or Rentals to setup the accounts for you. 

If he has a limited amount he wants to invest, you might want to utilize this strategy and work these numbers into your formula so you can achieve your 10% faster and so that your partnership will have more capital to grow faster/bigger. 

I am new to BiggerPockets and trying to find out is there a simple calculation sheet on BiggerPockets  already with formulas for figuring the cost for an A to B and B to C transaction.

I am reading the book "Millionaire Next Door" which had been rec'd by a few podcast guests if I recall.They discuss the following formula as a guide to what your net worth should be:Multiply your age times your realized pretax annual household income from all sources except inheritances.

But I'm a different sort of person and could see the formula working.

Is there an easy formula to quickly calculate ROI?

A rental should be the same formula, income vs. expense.