I used to live in a commercial building (the only living space) that had a separate office suite. When in the office doing billable hours sorts of things, 0% o

I used to live in a commercial building (the only living space) that had a separate office suite. When in the office doing billable hours sorts of things, 0% of time was spent on non-work issues. Work computer = a big honkin' loud workstation. Home computer = a laptop. It wasn't too hard a discipline to keep, I think it helped a lot to use physically different space and hardware.