No, I wouldn't call OW. Been there done that...I know from experience it only makes things worse. ...Doesn't mean the urge to do it isn't there though.
It is a very good sign that he put the money down. I have tried to backoff. The only time I have talked to him since he left was I sent him a text to see if he made it home. I was getting frustrated because he hadn't called. I wanted to call but didn't. I am trying to detach again. I thought I had....but he sucked me back in.
Anyway he called today and apologized for not calling. He said his battery on his phone has been screwed up. He is trying to get a job at the place I work (don't worry, it is a huge place and I would NEVER see him while at work). When he called today his question to me was "So, if I don't get that job am I still moving back there?" I told him that was his decision. He said "Well, I want your input". I told him of course I wanted him to move here. I am finding out this is a slow process.