
do be careful - my sister used a pet sitter to look after her two cats and two rabbits once, with explicit instructions to keep the cats indoors (they are both very feral), and the rabbits in their pen - two days into the trip, the woman called my sister complaining about a flea infestation, and to say she'd let the cats out but they hdan't come back! not only that, but the rabbits were out as well - and had chewed through a yucca plant and damaged some furnishings. And, no flea infestation - I had to go to the flat to let the exterminator in; the woman said she'd been there that morning and come out covered in flea bites and so on - I didn't see one flea.
Defniitely recommended talking to previous clients if you can, you msut be sure fo these sitters' credentials - of course there are excellent ones out there but be aware. Same with kennels, some are great but a few are very bad, so again check them out beforehand - if you can see the staff handling some of the dogs, so much the better, it could give you an idea of how they do it.