Always tour the home when you get there, ideally with the agent, and note on the contract any damage that you may find. This is important to avoid being required to pay for this out of your damage deposit when you check out.
When renting a vacation rental for your family, make sure that there are plenty of things for you to do with the children at the location. They like to watch movies and have a place to play. Of course, they need a positive environment where they can spread out toys and relax, too.