I wouldn't worry about the smoke detector-those are inexpensive and from the sounds of it, the damage/stolen items will cost more than the $525 deposit that you have.I would also suggest changing the locks.Leave emotions out of it and stick to the damage, missing items and provide them with a list and a copy of the video showing them moving them into the van. 

Any advice on local groups, recommended agents, or emotional support is welcome :)-Miles

Anyone can run a short-term rental business during good times, but the hard times quickly differentiate the real players versus the amateurs.Do you have the resourcefulness and emotional resilience to successfully operate during the hard times?

The answer is "emotionally attached". 

If the person doesn’t lend the money to the brother-in-law then everyone in that culture sees that person as thinking they are better than everyone else and that they are turning their back on their people.The book explains that the poverty cultures isn’t just about being financially poor, but it defines it as having a lack or resources such as a support system, an education, emotional intelligence, physical capabilities, etc.

Thanks to the podcasts I didn’t get too emotional about the deal.

Emotional attachments to houses eventually result in a loss of money.

While one's charged with emotion and resentment and false statements are celebrated.

Human emotions, random events, and debt play a role for extreme highs and lows to occur in the economy.

If you form a connection and make it a emotional connection based on family/kids, landlord will be more inclined to see your point of view especially if they have kids.Consider reading "Never Split The Difference" by Chris Voss.