When you do that groups of people will apply, rather than random individuals.

I'm currently applying for a Special Use Permit (SUP) to build an 8-unit residential building.

Offer discounts for applying in a short time period or- offer a free application fee. 

couple of bullet points to bring up:* she's on M2M* I told her on 12/7 of the new rent which would apply to a new Jan. 1 effective lease, this is when I got the "I'm moving out" message* Sent her the move-out letter on 12/11, with options for her to either be moved out by 12/31 (she's fully paid up for month of December) or by 1/11 (30 days from date of notice) and pay a pro-rated rent based on her CURRENT rent amount. her choice, either is fine with me.With all that said, I'd love to do as you mentioned and post a notice on her door. 

I think the main points would apply to you as well.STR is great, as long as you go into it with eyes wide open and reasonable expectations. 

You can look into the ATI exemption, but I dont know if it applies to vacation homes.

I'm not sure if these rules apply to Phoenicia, as the STR rules are stated to be for the town of Shandaken, not Shandaken hamlet.Not sure if you are able to answer this question!

What goes into proving that it is over 60% and when do you do it (before submitting for a permit or when you apply)?  

Additionally, the right of redemption only applies if the property was owner occupied during the 90 days prior to the sale and this is not the case here. 

But I will say that 1031 will not apply, that needs to be a longer-term hold/investment. 1031 applies to rentals, STRs, MTRs that are held for much longer.