Well, in my family, my spouse was back in college full-time from the time our oldest was 3 months old, until he was six (BS then MS). During undergrad, we both (well, mostly me) ran a computer business from home. I had my son all the time, took him on parts runs, only left him with my Dad or my spouse when I was at a customer's house that was not a close friend or relative. Didn't make a whole lot of money, but did OK. Had second kid, sold our business and moved to California for grad school. Lived off of fellowships, grants, part-time jobs spouse scrounged up in the department, TA/RA position, student loans. Broke, living in family housing, but very happy to have the kids home. Day care down in Davis was so expensive that even if we wanted to, my wages would have been laughable after you figure in the price of daycare, even with my degree and work experience. Spouse got a DE job for Intel last year, we bought the most absolutely perfect property (11 acres, very secluded, but only 20 minutes from work). Couldn't have afforded it before this (well, maybe before the kids came along). Youngest is 3. I'll be back working when she goes to school, or more likely, will start a new home business this year.
Upshot of it is, I planned on daycare for my first kid, but couldn't bear to do it after spending months job searching unsuccessfully after his birth (and a move from state to state). I wanted us to be his primary influence, not some strangers. As someone said before, the first five years of a child's life are tremendously important for shaping the kid's moral, emotional and intellectual growth. I don't see the logic in sending kids to daycare (unless it is a close relative that you trust) until 5, then staying home. At that point, they're in school and unless you homeschool, will be out of the house most of the day anyway. Monetary sacrifices are much easier to live with than sacrificing your child's development. Who do you want the child to bond with?
I'm not trying to slam people who chose to use daycare. This is just what we chose for our family.
BD