If you go to one of the local clubw that you mentioned there is a chance that they will allow you to fly/train for a period before joining to see if this your hobby. Ask them, this is one of many questions that you need to ask THEM.

Club size and amenities and how well a field is maintained as well as property lease expenses and other things determine membership costs.

And don't forget that you are in California where everything seems (to me) to be expensive. That said, the costs you stated are not outrageous but not cheap either