Lastly, if the software could handle bulk data loads from a spreadsheet, that would be awesome.Anyone on BP have any ideas?

These prices are taken straight from the MLS data for those years.That lot appreciation is obviously unmatched in terms of return, almost four times your money back over fifteen years for a small initial investment without you having to do much of anything.

I'm sure they have their reasons, perhaps due to data feed licensing issues?

Interesting data, but largely irrelevant.  

From wsj.com  lots of data on margin investing etc.  

The article asserts that the vacancy rate for Adams County apartments sandwiched between East Colfax Avenue to the south and I-70 to the north currently sits at an unheard of 0%, according to data collected by the Apartment Association of Metro Denver.No Vacancy? 

The "cost" of this free software is that they use my financial data to recommend and market financial products to me.A lot of folks are wary of using a program like that and trusting software with sensitive financial data.  

Data from our property management company (managing 2,395 single-family houses):  Property theft is actually down 1st quarter 2015 compared to same quarter 2014 by a little over 10%.  

Obviously, you'd want to look at other data, such as home price/median income ratio, in evaluating whether housing is absolutely cheap, but home price/gold is an interesting data point.What I also find interesting is that home price/gold seems to suggest that interest rates do not have a substantial impact on the relative value of home prices, despite conventional wisdom. 

Especially when very little meaningful data can be obtained in the other background checks.