You can certainly withdraw your offer - even if they signed it and you did not.It really isn't necessary to provide your potential mid-term tenant an explanation for your actions.  

Your property manager will assist in providing access to the insurance adjuster and getting you back on track.

I use OwnerRez as my PMS and their Wordpress plugin provides the booking functionality on my website. 

Deal machine provide you with the name address phone number and any other addresses and e-mail address also the amount of the mortgage and how much Equity they have in the property.

What they do is charging you thousand of dollar and providing some lectures and materials. 

Happy to provide more information if necessary. 

The reality is the opposite - if it's not in writing then the PMC doesn't have to provide the service or can charge extra for it!

This way my average becomes less than 7 days per stay.At the end of the year I assume to use the short term rental loophole I need to provide Airbnb proof that I averaged 7 days or less.

If you have not found a rental, we can discuss more about it and provide pictures.

This gives the Owner the best of all worlds - SF or STR/LTR - enabling keeping the home affordable for home owner while also providing an affordable place for a friend or family member to live, all while having privacy for both.The 30% is just the difference between the total of my experienced estimate of what the build would have cost just 3 or 4 years ago plus a factor for the current period of inflation, versus the total of the bids that came in.