No way! If it is something that gets you excited - then it is for you. Life is short and you have to find the exciting moments in it to make it worth while. You work hard and so for all the work you do - take a little money out save it and enjoy it. Showing gets me more exercise, out meeting people, allows me to enjoy new places and new people, and it allows you to problem solve too. It is a sport! Sounds like a lot of benefits in the long run to me.
We also allow it to be family time too. We have made some wonderful memories. So if you like the shows a lot - I would go for it. Wolfie is a cutie!