By all means give them a note on how to use all of the appliances (eg clean out the lint trap on the drier after each load, do not use dish soap in a dishwasher, change the furnace filter regularly, etc).

Hosts usually take 20%a good host replies to the guests quickly with clear check-in information a good host will troubleshoot thermostats, WiFi, and get the house cleaned and ready quickly for the oncoming guest.

Which results in more wear and tear and cleaning. 

They don't communicate well, don't take responsibility for their actions, do not clean or maintain homes well, and will shaft you when it's time to leave.Other than that, it's a pretty good system.

Guests cover the cleaning cost.

Years go by and eventually Grandpa gets tired of fixing porches, nailing gutters and steam cleaning carpets that 'have a couple more years in them. 

With the exception of 1 bedroom units, you basically have 2 options:-Oversized/commercial machines (potentially multiple sets)-Off site cleaning with clean spares on siteThe latter is almost always the most efficient and basically what hotels do at scale.

Take a look at Personal Property versus Real property coverage, plus clean up costs to make sure your covered.I would also look at covering your project from the Subcontractors. 

.: I haven't passed this past legal review so for what its worth: Part of my standard requirements for everyone include income is at least 3X rent, minimum credit score, say 640, Clean record and no evictions as well as deposit is paid in full at signing of lease and 1st month rent is paid in full prior to handing over the keys.

The current owner bought it for $30K and I know they had to clean up a lot of title work and started doing repairs.