Is this accurate? 

Quote from @Mark Wooldridge: A super concise and accurate summation of the SFR & MF property market - only thing I could add to that is how extremely low interest rates (historically) caused valuations to increase at a faster rate than they would have otherwise. 

We do recommend making sure all your data is accurate before finalizing your report.  

Since this approach relies primarily on true documentation rather than estimates, it is typically the most accurate.

So yeah, your 20%+ is much more accurate. 

How accurate are websites like Airdna?

It won't be 100% accurate, but it will be close enough.

Public forms are not the best place for asking legal questions since it's rare to find a unified accurate answer, so hopefully the video helps. 

The previous reply about the Islands being different is accurate, as each County does have different rules. 

Given your firsthand experience with the Alabama market, particularly with septic-specific considerations, your insights would undoubtedly provide a more accurate perspective on the operational and maintenance costs affecting this asset.Even with the available information, there are still substantial assumptions and speculative elements that must be integrated into the current and pro forma financial analyses to provide a meaningful valuation.