While AirBNB is certainly imperfect about how they handle resolutions, I think there are some valuable insights here about the necessity of documentation.Putting myself in AirBNB's shoes, photos and invoices are absolutely critical to resolving disputes and damage/expense claims - otherwise, they would be at the mercy of people who wanted to abuse the system and make frivolous or false claims.  

Although I'm fully aware of their imperfections (e.g.

I did find some on you shingles in the dumpster but most had small imperfections or other things.

Then again, I had my roof replaced recently which got me looking at my roof and noticing every little imperfection.

It is harder than it looks and potential buyers will notice large imperfections in the walls.If you plan to hang on to the property and rent it, feel free to do all the drywall finishing yourself.

I really like him because he knows all the tricks to make little imperfections right. 

It also lays over slight imperfections in the floor with easy and hasn't popped or shifted yet! 

The inspector will find and make note of every little imperfection. 

Not every property is going to be great--location, size, and how nice the property is makes a big difference--but even imperfect ones can do well. 

If you want a more "professional" look, sand it down and you wont even know where the hole/ imperfection was before.