Only if you'd be able to use those 3 minutes productively. You can't sit down at a computer and work for just a minute and a half, you'd have to be able to get

Only if you'd be able to use those 3 minutes productively. You can't sit down at a computer and work for just a minute and a half, you'd have to be able to get to work a minute and a half sooner to capitalize on this. If you have a salaried job then this makes no difference.