Hasn't the last couple years demonstrated that employers do exactly that? - You can work remote, but you must live within X miles of an office. - You can work remote, but you must live in one of these states / countries. - You can work remote N times per week. - You can work flexible hours! Choose any 10 consecutive hours from this list of 13 hours! - You can work from any one of our N offices. - We're closing this office. You can continue with your duties if you relocate to one of our other locations. - Here's a laptop and travel bag. Give us your cell # so you can work from anywhere at any time we need you.

edit: I can't be bothered to fix the formatting of this message.