I would like to take a random property on Zillow make a mathematical analysis and someone let me kno if the analysis is right as far as the yearly cash flow and also if the property is a good buy or not

A good inspector should have a moisture meter and a thermal imaging meter.

As @Brett Goldsmith mentioned they can Not talk to you without the proper authorization form executed and submitted (would you want your mtg company talking to any random stranger that called in about Your debts?).

We're starting to get overwhelmed with the number of opportunities we're generating and wanted to know how most of you track your properties to be able to refer to when needed and have links to images etc.

When it comes to out-of-state, sometimes it's easier to follow where the teams are rather than pick a random location and then scrounge around for a team.

See the image below for the actual Fannie Mae Guidelines. 

I looked at the floodplane images and it seems that Sac north of the river has mandatory insurance and most of the rest is optional but I'm not getting any specifics on rates.  

Random question - you said you sold a rental property and took/are taking the cash.

Check out these images, you can see all this data at NEFAR This gives you perspective in Jacksonville, FL of when you should have bought as compared to where we are now. 20112018Newbies into Real Estate, know that while we may never get back to 2011 prices, there is no need to buy at the top of the top of the market. 

Choose a new/different feature image, spruce up the text, make the listing feel fresh again. :) I hope this helps!!