That's kind of what I've been doing. I've been vaping for almost 5 months. Started with 24mg, then 18mg, 12mg, now at 6mg. I buy e-liquid about once a month. Not sure if I'm ready for 0 nic yet though, I'm thinking that I will stick to 6mg for a while longer before taking the plunge to zero. When I transition over, I've been starting the day with a higher nic level juice, then switching to the lower one for the second half of the day just to see how it goes for a few days.