Because that is the estimated cost of college in 18 years. :( Over the last couple of decades, tuition has gone up 2x inflation, which means figure 6-7% increa

Because that is the estimated cost of college in 18 years. :( Over the last couple of decades, tuition has gone up 2x inflation, which means figure 6-7% increase in college costs per year. That sadly adds up to around half a million.