The 10 most and 10 least expensive cities to own a home and pay for childcare

Childcare and housing costs can exceed 90% of a family's income in some metros. dusanpetkovic/Getty Images Nationally, families spend 52% of their income on childcare and housing costs combined. In some metros, that share exceeds 90%, while in others, it's below 50%. In areas where paychecks are…