I paid $2,292 for my kids' after-school activities last year — and that was just the starting price

The author said she allows her children to play only one sport a season to help keep costs manageable for her family. Courtesy of Rachel Morgan Cautero. Families spend thousands each year on youth sports and after-school activities. We only allow our kids to play one sport a season, but they also take piano lessons and are Scouts. I've found a few ways to help keep the costs of extracurriculars down for us. Youth sports is now a $40 billion industry, and the average family spent $1,016 on…