Every so often I will take one of his plays. From personal experience, it could be weeks, or even months. Generally though, they do tend to work out. Again, from personal experience, I've let the frustration and impatience get the better of me...only to find out about 2 months later that it eventually panned out and I missed it.
Not saying its a definite. Just giving you my experience.
Good luck, and here's to hoping for a winner!
Remember, always check a persons Post history. You'll be amazed how quickly you discover who they are.