Raising a family can be expensive, and the cost of raising a child from birth to age 18 in the United States is estimated to be around $233,610. With such a hefty price tag, it is no wonder that many parents are concerned about teaching their kids how to be financially responsible. One of the best ways to do this is by teaching them to be frugal from an early age. Frugality is about making the most of what you have and finding ways to save money without sacrificing quality.