Does anyone know the accuracy of this?

You can upload an inspection report and they use AI to generate repair estimates for the entire itemized report, with a respectable degree of accuracy. 

Tolerances for your lock pins are a few thousandths, so accuracy is important for smooth operation.

Some users want that data hidden to prevent confusion, while other users need to know they have a real accrual accounting behind the scenes for end of period balance sheets accuracy.

Still, getting fully skip-traced hot data on MF is not that easy overall in terms of accuracy.

This enables us to verify the Year/Year change of DoN against other data sources that cover a different span of years.The formula I used to calculate the Year/Year change:% Change = (New Amount − Prior Amount)/ Prior Amount x 100For example, the DoN rent change for the 2005 to 2019 period would be calculated as follows:% Change = ($1210 - $1124)/$1124 x 100 = 7.7%Regarding your statement that I was questioning the accuracy of the Census Bureau data, let me clarify that I have no doubts about Census Bureau accuracy when it comes to population demographics.

So do you know how an investor would be expected to pay quarterly estimated taxes with any degree of accuracy in this situation? 

( I am under the impression that a field review is to check the accuracy of the appraisal that was already done, not to assign value.

When driving for dollars you still have to skiptrace the owners contact information, and the accuracy of the results is dependent on the provider used and  it can be difficult to track down the decision maker. 

This feels like a gap in the market for a SaaS company to fill...STRs ROI is almost entirely driven by the accuracy of your occupancy rate, which is also notoriously hard to approximate due to vast differences in pricing strategies, management effectiveness, and goals of owners/managers, not all of whom wish to rent a place out 365 days/year, but rather block it off for any number of reasons, even sometimes by errors in their channel manager tools.