I've been looking at several properties as examples to learn from and have been trying to crunch the numbers, so to speak.

http://www.biggerpockets.com/recritic.htmlIt should help you to crunch many of the numbers you'll need.

just a few questions before jumping into the actual crunching:1. any plans for rehab to make unit rent-ready?

Keep dialing for dollars.Lenders ask for tax returns as a matter of course, that doesn't mean they all crunch numbers the same. 

It makes it appear as if you have crunched the numbers and have not thrown in a random number.

However, especially as I start to focus on commercial properties, so few of the listings include actual numbers or NOIs to crunch, so what do you guys do when analyzing deals online?

If you're crunched for time and really want to keep real estate on the side – the turnkey route could be good for you.

The nice part about multi-units is you have all the data you need, it's just a matter of crunching it. 

@Yehonatan Baran  I'd stick with $120k ARV to crunch your numbers to be conservative (safe).  

My business partner and I are just starting out in REI and while we have a clear goal in mind we dabbled endlessly with the leverage vs. 100% down question until one day we crunched the numbers.