Just as much as you are interviewing a potential pet sitter, they are interviewing you as well. You always want to make sure to thoroughly vet your pet sitter and make sure they will be a good fit for your pet and for you. Each pet sitter and pet sitting company probably operates a bit differently from each other, as there is no right way to run a pet sitting company, but there are some basics that should be in place when selecting a pet sitter.