“I have received several in last order that did not have any nicotine in the cartridge & now in this order I am up to 3 so that is actually wasted money in my opinion. I have considered changing to something else , but I hate to . Stopped smoking on these in December 2011 so hate to change to something different . Due to having to order on line charge up a credit card instead of going to a local store. Have a lot of serious consideration whether I can stay with 21st century . Not happy with increase in price either .”