Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to identify a quality pet sitter [title] Check competitive rate. [step] Visit the websites of your potential pet sitters and check to see if your potential new pet sitter has competitive rates. [title] Check their experience and testimonials.

Ending1: [step] Ask any questions you have that can help you determine if your new pet sitter is worth hiring. [substeps] If your new pet sitter is expert on a certain pet, you may want to look for a sitter who specializes in that particular pet. Ending2: [step] Ask your current pet sitter how many hours they currently work. They should provide ample experience and testimonials from previous pet sitters so that you know what to look for when trying to find a new pet sitter. Ending3: [step] Spend some time reading reviews of your prospective pet sitter. Review any reviews they have issued and compare them with the ones that you currently have at your location. Ending4: [step] See how long the company has been in business. The longer someone has been pet sitting, the more experience they have.

Answer format: ending1/ending2/ending3/ending4