I've been thinking of going into this. I'm curious, how many customers do you get? How sporadic is it? And were do you get most of them from? Does it often happ

I've been thinking of going into this. I'm curious, how many customers do you get? How sporadic is it? And were do you get most of them from? Does it often happen that they hire you for further work? Sorry if I just ran you over with question marks =/