I know, you're probably used to seeing horror stories about spouses that run up massive credit card bills and go into financial ruin because of an addiction to clicking "Add to Cart". But, there's another side to the world of e-commerce that can help provide stability and improve the life of every member of your household.
Many families get by with a college-aged baby sitter most of the summer. If you're comfortable with it, you could instead hire an older high school student. You may not get the benefit of a sitter who can drive kids to activities. However, less experienced sitters command a lower rate, saving you money.