18-24 months with the emphasis toward the latter.

And for the other guy, holding a line after 6 months does not guarantee you a good commute. There is no such thing as a good line at Lakes, and many are super un-commutable. Maybe one of your internal recs can get you a copy of the bid packet so you can see for yourself.

Too many people on this site paint a rosy picture of Lakes. You really need to do some hard research and figure out what you're getting into, especially if you're going to be commuting from the east coast.