[header] How to smoke [title] Buy a pack of cigarettes. [step] In the united states, you must be 18 years old in most states in order to purchase a pack of cigarettes, although some states have different age requirements. In utah, for example, you must be 19 years old to purchase nicotine products. 
Always present government issued id when buying a pack. There are many different kinds of cigarettes, so choose which kind you want carefully.