We also use www.trustedhousesitters.com, it has saved us a fortune on cattery fees, and we have had some lovely people to stay. You post your sit, with no personal details, and if people want a sit in the area they will get in touch. You can look at all their profiles and references, talk to them on the phone or online, and I like ours to be close enough that they can come over and see the house and the animals beforehand. That way we can entrust them to the house in confidence. Obviously hide any valuables for your own peace of mind, but we have never had a problem. We get daily photos and videos of the animals for reassurance, we come back to a clean and tidy house, happy animals, and sometimes even a home cooked meal or cake!