A lot of successful quitters do report that his is how they did it. If you want to quit this way, be sure you are very committed to doing it and know that as time goes on it will get easier. The physical effects of withdrawal will lessen after the first week or two. The psychological aspects of changing the behavior patterns can be much more challenging and many people report having difficulty fighting the urge to quit for months or even longer after they quit. The safest approach is to avoid situations where you are likely to be tempted.
Medications can be helpful to some people.
If you have tried to quit cold turkey and have relapsed in the past you may wish t explore the option of medications. The decision can also be influenced by how addicted you think you are and how much you tend to become depressed when you have been under stress or have tried to quit in the past. You can deal with some of the psychological aspects of addiction first, and deal with weaning down the physical addiction later. Although the nicotine delivered through these routes has some side effects, it at least does not contain the carcinogens or toxins present in smoke and thus it is safer than continuing to smoke cigarettes. Bupropion is used as an antidepressant and also can be effective for smoking cessation.