Inclusion Criteria:  Are 18 years or older Engaged in care at the Tom Waddell Urban Health Center (TWUHC) Meet criteria for homelessness as defined by the Homeless Emergency Assistance and Rapid Transition to Housing Act Are current smokers (smoked at least 100 cigarettes in lifetime, smoked daily in the past 7 days and at least 5 cigarettes per day, verified by expired Carbon Monoxide (CO) >= 8 parts per million (ppm)) Have an intention to quit smoking within the next six months Are attending on-site smoking cessation counseling provided by the behavioral counselors Are English proficient Are able to provide informed consent. Patients who are interested in participating but not enrolled in counseling services will be encouraged to engage in counseling sessions at the time of enrollment.  Exclusion Criteria:  1. Are unable to take nicotine replacement therapy (e.g., pregnancy or myocardial infarction (MI) within the past 2 weeks)