Usually a cigarette lasts 5 mins and if a person smokes a puff every 10 seconds they would get 300 seconds divided by 10 seconds you get 30 puffs per cigarette. Now lets say you smoked 165 cigarettes for 4950 puffs approx 5000. This costed you assuming price of one cig is rs 10 to 20, total of 165 multiplied by 10 to 165X20 i.e Rs1650 to 3300 further i.e Rs0.3 to 0.67 per puff. As alternative premium quality 5000 nicotine puffs cost you 1500rs i.e Rs 0.3 per puff.Advantages: - No Smell- Smoke Anywhere- No harmful chemicals Disadvantages:-...