Liz Danzico (of Bobulate and SVA) asked me to finish this sentence in front of a camera: “So you’re thinking about becoming a designer? If I could tell you only *one thing* about going into the field, my advice would be ___________ ”
I think the most important piece of advice is to bring your camera everywhere you go. If you think your camera is too big, get a smaller one. I have a big DSLR that almost never gets used for anything other than documentation, but I always have my little point and shoot with me.