Small rock chip on door
 

I found a small rock chip on my passenger door. It's about the size of a tic-tac. A chunk of the paint came off as I can feel the indent.

I was thinking of using touch-up paint but was wondering if I should find a professional to do it. I have very unsteady hands.

These are bound to happen of course. I have had good luck with using touch up paint, letting it dry, then using a clear coat. The key is to be conservative. For unsteady hands, try having your forearm laying on a piece of wood while you make the repair.. It might help. Otherwise, I'm sure a local body shop wouldn't mind touching it up for a little bit of $$.

Also, don't use the brush that's included with most touch-ups. Use a toothpick or pull a match out of a book of matches and used the torn off end.