SMART to Optimize an Intervention to Maintain Health Improvements After Cardiac Rehabilitation

Inclusion Criteria: * ≥18 years of age or older * Have completed at least 6 CR sessions * Must enroll within 6 weeks of their final CR session * BMI ≥27 * Own an internet-connected device * Home internet access * English proficiency * Able to walk ≥1 block without stopping Lastly, the participant MUST belong to ≥1 of the following groups or identities: * Identifies as a woman * Identifies as LGBTQIA+ * Identifies as a racial or ethnic minority * Insecure transportation for medical appointments * Self-reported trouble paying for healthcare needs (e.g., copays) * Receive income-based subsidized benefits (e.g., state-funded health insurance for low-income residents) * Reside in a small town or rural area per 2010 United States Department of Agriculture Rural-Urban Commuting Area zip code or the Distressed Communities Index * Low educational attainment (≤high school diploma) * Low household income (less than twice the Federal Poverty Level) or meeting federal poverty guidelines per the National Committee on Vital and Health Statistics and the Department of Health and Human Services) Exclusion Criteria: * New York Heart Association Class IV heart failure * Heart transplant in the last 5 months * Left ventricular assist device in the last 4 months * Physician diagnosis of dementia * Physician prescription for 24 hours of oxygen therapy daily * Coronary artery bypass surgery in the last 3 months * Current dialysis * Chronic gait or balance disturbances that would make unsupervised exercise unsafe * Current pregnancy * Report of conditions that the investigators believe would render them potentially unlikely to follow the protocol including terminal illness, active substance dependence, or other significant psychiatric problems that require inpatient hospitalization