In other words, before going through the whole refinance song and dance, can I just capitalize the increase in NOI by the same rate used by the original appraiser to get a pretty close estimate of value OR are there other factors that could dictate the cap used by the refinance appraisal?

You might be able to add an additional condition in the formula and force it to use manager's contribution, if the member's contribution is 0%. 

I would stick with your duplex formula until you get more experience.

Sometimes it means making offers on units at the price we know will make this formula work, even if they are below asking.

He says, on average, his expenses over the years have looked like this:Buying costs are generally 1.5% of the selling price Holding costs (utilities, taxes, etc) are usually 1.5% of the selling priceSelling costs are generally 6.5% of the eventual selling price, after repairsHe projects the months required for rehab work (holding time) with the following formula: Rehab cost per square foot, divided by 10 + 2.5 months to market & sell Do you guys think these numbers are accurate?

A good formula to use is =pmt(rate/12,Number of Payments,Loan Amount)This will quickly give you the monthly loan payment (principle & interest) based on any number of variables.I just did a quick Google search and found this website that has a web based calculator.http://www.vertex42.com/Calculators/loan-amortization-calculator.htmlI hope this helps.Michael

I suggest you start doing some reading on the forums about bird-dogging, wholesaling, and any topics on investing with no money.There is no one set formula that will work for everyone, so you'll need to educate yourself and then establish a plan.Do a little reading and come back with some specific questions so we can help you out.BTW - Please do not post in ALL CAPS.

The concept above remains the same, the formula just gets a little more cumbersome: ((T1 + T2 + T3 + I) / 12) X 1.15 Thus, PITI was developed for OO property.

Does anyone know the formula for doing this?

I know there are tons and tons of internet calculators you could use to calculate the monthly payment of a loan but I'm looking for the actual formula that is used.