One would have thought with all the free time rolling your own would have picked up the slack.
I roll my own. You can buy a good rolling machine for about $70, plus or minus, which is less than the cost of a carton in most states, so you'll recoup the cost of the investment pretty quickly.
I keep track of what it costs me pretty closely, and by rolling my own, I pay around $1.20 per pack (20 cigarettes).