Inclusion Criteria:  Men and women at least 18 years old Body mass index (BMI) 25 kg/m2 Engage in less than 150 minutes of moderate-intensity PA per week in the past month Capable of participating in moderate-vigorous unsupervised exercise (as determined by the Physical Activity Readiness Questionnaire (PARQ) or a medical release from their physician) Self-reported ability to walk one block without pain or discomfort Have a smart phone with daily internet access that is compatible with the LibreLink app Ability to speak, read, and write in English For the cancer survivor cohort (participant accession number #21 and beyond), individuals must have been diagnosed with stage I-III breast or colorectal cancer and completed adjuvant therapy (i.e., chemo and/or radiation therapy).  Exclusion Criteria:  Self-reported current diagnosis or history of type 1 diabetes or type 2 diabetes Self-reported use of oral antidiabetic agents (OADs) Previous or current treatment with any insulin regimen other than basal insulin, e.g. prandial or pre-mixed insulin (short term treatment due to intercurrent illness including gestational is allowed at the discretion for the investigator) Current use of a continuous glucose monitor Fasting glucose > 125 mg/dL Pregnancy Self-reported health issues that limit physical activity On dialysis Work overnight shifts Unwilling to use CGM Current participation in other wellness or weight loss-related program or intervention Currently on a low-carb diet Unable to receive REDCap survey through their mobile phones