I initially used 30 units to compute the revenue for the property but if its actually 32 units as you mentioned subsequently, assuming the 7% vacancy, then range of market value for the property might be between : 32 * 675 * 12 * .93 * 8.5=$2,048,976 or ($64,030 per door)32 * 675 * 12 * .93 * 8.8=$2,121,293 or ($66,290 per door)This might suggest at $2.6 million it may be slightly overpriced.

All my tenants (7) have loved it except for 1 who told me "I don't even have a computer" when I asked if she was interested in online payments.  

When I say you are behind the algorithms, you the day trader are trying to do the same thing the computer is, but you will likely have delayed information, slower reaction times, and the computer will make math based decisions 100% of the time, not to mention the computers that do this are right next to the NYSE and have maxed out their internet connections so that they can beat out other trading computers.

There is a famous case study about how Dell computers created a -23 day Cash Conversion Cycle by charging the customer up front, and holding their inventory on consignment and getting payment terms on the inventory they used.

;)There are many calculators out there and the BP calculators are very nice, clean and robust but I can certainly understand that it's hard paying the monthly fee for accessing them when you are just trying to get your feet wet.That being said, there is no magic behind any real estate calculator and they are simply a combination of basic math equations put into the correct order, any of which can be accomplished with an afternoon on your computer and an Excel spreadsheet. 

@Sean OToole is seems like a fools errand to disagree with someone who simply must have a massive amount of data on his desktop, and also lives there.

It doesn't compute in any universe I've ever been a part of. 

After looking at centris, I compute grm up to 19X.

Do renovations and possibly pull cash out on the new ARV in as little as 6 months.Finding the right property does take work but if you stay glued to the laptop/computer constantly checking all of the homes for sale websites.

There are many Plans for this and here is one that looks to be very detailed. https://investfourmore.com/2013/10/15/how-to-make-...When I started investing, I read every book in the Library on Investing of all kinds. 30 years ago we did not have computers and Google Searches for information.