Do I have a legal duty to review my ads to ensure that they are accurate?

I suggest updating your time log accurately and ensuring compliance as best as possible!

AirDna seems to be the goto place for rather accurate data.My STR on Dauphin Island generates about 50k yearly. 

In a multi family property, you may add up to 2 quantity ADU units to the existing multi family lot.Any and all ADU's can only be up to 1200 SF - that part is accurate except for the junior ADU which maxes out at 500 SF

Be sure to include information about nearby attractions, public transportation, and local schools.Accurate information: Ensure that all information provided in your listing is accurate and up-to-date, including the rental price, property details, and availability.Timely updates: Keep your listing updated with any changes in availability, pricing, or property information.

Sales prices are fairly accurately reflecting a multiple of annual rents. 

My question is real simple, I am just curious if anyone could point me in the direction of some helpful tools or websites that will help me accurately analyze the market.

Very accurate & helpful!  

Every time a tenant moved out 3 out of 8 evictions or so, it felt like a gamble, with someone leaving the place in ruins. 

How accurate does the group feel those projections are?