Traveling / Club Soccer isn't really that expensive.
If you shop around and look at the number of contact hours you are getting, it's probably as cheap as any activity out there.
If you go to one of the "mega or for-profit" clubs, then you can pay 2x to 5x the amount and feel really special that your kid is in a high level program, and then still get the same level of coaching as you would at your local club.
If you have an elite level kid in soccer, I kind of feel sorry for you though because the US Soccer system is not ideal for player development yet. Lot of politics in play.