there's a significant amount of families with more than one kid playing, so if you're already there for your 2016 & 2018 child,you might just as well have your 2020 kid play too. there's actually is an economy of scale quotient that makes the cost for the additional kid minimal. however, it does get a little dicey when the older kids are suddenly playing in different tournaments than the younger ones, half the family is in one town and half is in another