They could be traveling for work or for personal reasons (I actually rented a place off Airbnb in Billings, MT during football season when my son played football in college so I could be there for his games.)

As others mentioned, there is the cost to sell which can really eat into your equity as all those costs come from your equity but are usually based on the whole value of the property.  

You can DIY, but based on all the things you have said, I think it is time you hire an attorney. 

OCF inherited these tenants from the previous owner and I hope that their own screening process helps minimize future instances like this.

Does anybody have any spreadsheets or tools that they'd be willing to share with me around some solid number predictions based on interest rates, occ %, etc. 

If you told him you have been playing pickup games for the past year and need help improving your jump shot, now he has evidence you're motivated and a specific goal he can quickly help you work towards.

Investing 30% of the equity and presumably guaranteeing the debt is more than you see most GP's contribute and should justify better splits in your favor than instances where you see a 5% or 10% co-investment.

@Jeremy H. you seem to think that short term vacation rentals are a RE play when they are in fact a business.

Based on the 14-day rule, I don't need to file any profit from my short term rental.

There should not be a $100,000 discrepancy in the dwelling coverage (based on a replacement cost estimate.).