Disposables are absolute crap - cost as much as ciggies and don't have the kick. Do it right and do it once - 30ml bottle lasts me a working week, or over the weekend. Costs maybe $5 with the flavour I like and the strength that works for me. (mixing myself) Others use 5mls a day - some use 50mls a day - up to you to work out your happy place. Only worry I ever have is running out of juice, battery or if the hardware dies - plan right and that never happens. Went from 40+ a day (weekdays - more on weekends - would have been $200 a week now) straight to the e-cigs - was a straight swap. Zero cancer, emphysema, out of breath risk anymore - no worries about turning back. Absolutely no feeling of needing an extra hit or anything. Been 2 years now and zero ciggies - still got my nicotine hit (no worse than caffeine) without the bad sh*t. Without the e-cigs I'd still be giving up every other month then getting back on the train harder than ever after a beer at the wrong time. Less than the price of a coffee a week vs $20+ a day, $200 a week if I was on the ciggies. Only hard part is choosing the flavours to try - fruit ones are good (blueberry or raspberry are awesome) , but I love vanilla and have even tried bacon and chocolate flavours. Menthol or mint is my go to one now. Peanut is oddly satisfying too - Imagine the taste of roasted peanuts, but with nothing to chew on