I have no one I can accurately talk to this about in person because no one I know is a REI, and they say "take advice only from someone you would trade places with."

The forums are nicer these days as back then there were a lot of old time investors on the site and you would get eaten alive if the numbers were off.I simply absorbed everything that was said and kept learning on my own until I felt I could contribute to a conversation accurately with numbers and pay it forward.

These are a lot less accurate than the wall mounted thermostats and also discourage people from adjusting/ turning them down since one has to get right down to floor level to adjust.

After ten years, I find the most accurate predictor of the type of tenant they will be is the type of renter they have been in the past (sounds simple I know, but all the other factors are built to predict this, so if you can probe rental history, you can find out alot). 

You will still want to use the income approach in valuing the property.In coming up with an accurate valuation for the property, you need to drill down on the income and expenses for the property's operations and then capitalize that figure using an appropriate cap rate for the area and product type.  

Accurate enough that you can quickly scan deals and when it looks like it might work, it does?

Does FEMA has new base maps that is better and more accurate then what they had before, or did something else changed in their models such as vertical datum etc...?

To get an accurate AC size, you have to consider the amount of cubic space, whether or not you're in direct sunlight, how the attic is vented, etc.Here are some things to consider, I tend to focus on economic fixes:1.

Where are you seeing the past sales info and are you sure it's accurate? 

How many people stopped gambling?