/ic/ - Artwork/Critique

>Commission an artist
>For half a character drawing. Colour.
>Artist asks for the full commission upfront. I pay him.
> A day later, I ask him if there's progress. He said he's still at work, but will update later.
> Two days later. Still nothing.
Have I messed up? I reverse image searched some art from his portfolio, and it's unique to him. He gets nothing but praise on his DA account. He seemed perfect.