Maybe the breaking point was when you were pushing and shoving your way onto a too-crowded train just to spend the next hour sandwiched between two hygiene-deficient fellow commuters; or maybe it was your micromanaging boss breathing down your neck as you began your workday (again) — in any case, you've decided that you’ve had enough of commuting. You’re not alone: currently one in five workers in the U.S. telecommutes, and you could soon join their ranks.