Don't Forsake Established Customers Just to Please New Ones
Whatever you do, don't get complacent when serving established or long-term customers. It's an easy thing to do. You're so focused on pleasing the new people, the current ones don't get the attention they deserve.
One of the best ways to keep everybody happy -- including those who've attended your camp for years -- is to pretend you're talking to EVERYONE for the very first time, even if you've talked to them a thousand times before.
Your kindness and enthusiasm will show through, and your customer relationships, long term and short, will continue to grow.