Those indentations can be filled, stained, and sealed.

-It appears one of the gutter downspouts leaks as there is staining on the brick – recommend having a gutter professional repair.

It's nothing of value and unlikely they will take you to court to sue you for a broken dresser or a 10-year-old stained mattress.

I have stayed in several vacation rentals with kids and a dog and always treat the home with respect and leave it in a pristine condition.We had a group of 5 including kids over the weekend who left crumbs all over the house, food stains on sheets. 

The difference with engineered floors is they provide a factory finish that is stronger than typical floor stains.

You need the experience of looking at homes, being able to pick out problems to give yourself a better idea of what to offer on the house (stains on ceilings? 

The tenants had done a lot of smoking to the point of staining the walls.

Things like stained glass windows, coffered ceilings, etc.Finally, the basement and mechanical spaces. 

@Mitchell Bell If there isn't holes/tears in the carpet, you could always get a carpet cleaning company to come in, and for a few hundred bucks give it a good cleaning, to get out any stains or odors from the carpet.

Who's paying for the stain on the couch?