But ignoring the safety of your guests could cost you everything that you own. 

If you just want to throw out a general amount for safety, I would say 15k, but there is a lot of good advice above on how to judge it.

Unless I think I can time the market, I am going to keep deploying my cash in something better than that.I am also bearish on treasuries, which I think will generally see yields rise (and values decline) on anything with longer maturities (yield curve normalization and long term downward pressure on the ratings/"safety" of US gov't debt).

I have been kind of in the behind the scenes mode for most of this year.

The thought of making that a 25 year commitment instead gave me a slight feeling of safety so right away I started paying an extra $100 in principle to my mortgage every month. 

To maintain the Premises in compliance with the applicable health and safety laws of the state, and of the local units of government where the Premises are located during the term of the Lease.

MarketingI go back and forth on whether I think Airbnb can make this a mainstay in their business model. I

@Ryan PhuSince you're new to investing, you have now been introduced to the guru model. I

Screen them hard for your safety and for theirs. 

I have a solution that I do myself once a year.Here's one of my best tips: go on Airbnb as a TRAVELER, in Traveler mode.