Kids are a huge responsibility in so many ways, but if for whatever reason you decide you can't handle your financial obligations to them, be warned: You may have to pay a very high price for not paying child support. Here are 10 of the top reasons you need to keep up your end of the bargain. 10. Your kids need stuff. Going through school, puberty and life in general are tough enough on a child; don't make it worse by taking things away from them.