I went with the 0 nic right from the start, but after 3 days got my shipment of 24mg bottles, during those initial 3 days I smoked 3 analogs per day to offset the cravings. It's been another 5-6 days since I got my nic, and haven't had another analog. I'm staying at 24 I also have 18 which I'm ok with, but find that the flavoring also aids with the throat hit feel etc, but I figure I'll use all 24 I have then the 18, and take it from there, personally I like Vapeing, and intend to continue Vapeing and am not interested in quitting or getting down to 0 as Vapeing is much better then analogs.