A dog I'm sitting broke my backyard fence, What if anything, should I say to the owners? They are repeat customers, and I'm worried?

First, decide what you want. Do you want them to pay for the damage? Do you just want to let them know? Was the dog injured in any way? Do you want the dog to return?

Your answers to these questions will color your response.

I am very non-confrontational. Assuming that, overall, I like this dog and wish to host him/her again, I would say, "Hey, I just wanted you to know that Fido was hot on the trail of a squirrel and broke a section of my fence trying to get to it. Don't worry, he wasn't hurt in any way (nor was the squirrel)." Then I would keep my fingers crossed that the owner offered at least a little money towards the repairs.

If the damage is greater than $250, I believe you can go through Rover's insurance to help defray the repair costs.

I agree with Carmen. And no matter what you expect or hope for, I'd inform the owners of the incident. A dog hitting the fence hard enough to break it, or displaying a tendency to chew that is that strong is important information for them to know, even if there were no signs of injuries. Keep in mind that the owners are under no obligation to reimburse you; any offer they make to compensate is above and beyond what they are required to do. Thankfully, I've never had a dog in my care do any serious damage, but in the instances where a dog has chewed something they shouldn't have, I've always made a joke of it, posing them for a picture with the destroyed item (my favorite was the return guest who chewed on my copy of I Could Chew on This (and other poems by dogs) while my ex went to the bathroom - he's even on the dog shaming website!).

Another thing to consider is the circumstances of the damage. If the damage occurred while the dogs were unattended (and I'm not saying it did), that could potentially reflect poorly on you. Rover advises never leaving dogs unattended outside. If you had stepped away or simply let them get out of sight, it's worth mentioning what steps you will take in the future to prevent similar incidents from occurring.

Finally, remember to keep receipts for any repairs and upgrades you have done; they will be useful for calculating your tax write offs for the coming year.