I have managed to balance things well. I am not sure of a % of who does and who does not work a full time job also. I was offered full time for hosting but decided against it as the money wasnt as good I was expecting at the time the offer was made.

Retention increases the quicker and better the responses are. We try to get fast detailed responses out. It's about building a relationship of trust. There is a lot of commitment involved but it's still enjoyable and a very good learning experience.