My son is 15 months old and has been at his cm since he was 7 months. He goes for 10.5 hours a day, 5 days a week so is there a lot, it was crucial to me that I found the right person and I knew that Claire was right from when she first picked the phone up..
I saw 4 different cm's, all that I found on the internet here http://www.childcarelink.gov.uk/
I went to all of them with a massive list of questions, absolutely everything I could think of from what would they do if Henry wouldn't nap, to how do they feel about potty training and what type of car seat would they put him in etc etc. I didn't ask any of them about money, they are all much of muchness anyway and I didn't want to be influenced by the cheapest.
My cm charges me £3 per hour and this includes breakfast, lunch and dinner, all juice and snacks, any meds he might need like calpol etc, wipes, creams - literally the only thing I supply is nappies.
She takes him out at least 3 times a week, usually to a mother and baby group that she runs a couple of times a week and then she goes to the park, indoor soft play centres, the seaside etc etc and I never get charged!!!
My best suggestion would be to see lots of people, ask them the same questions, don't be concerned on cost and go on your guy instinct - you will know who is right for your baby!!