Daughters, dUdes, Mothers and othErs Fighting Cancer Together

Inclusion Criteria: * Adults age 18+ for whom at least one dyad member has been diagnosed and completed curative treatment for localized renal cancer, or loco-regional ovarian, colorectal, endometrial, or female breast cancer. (Loco-regional prostate cancer survivors are also eligible but could be on active surveillance). * Diagnosed as overweight or obese (BMI \>25 kg/m2. * Low vegetable and fruit intake (\<2.5 cups day). * Low physical activity (\<150 minutes per week). * English-speaking and writing. * Completed at least 5th grade. * Uses the internet and owns a mobile phone. Exclusion Criteria: * Diagnosed with uncontrolled chronic conditions (i.e., diabetes, blood pressure, CVD, etc) * Diagnosed with a health conditions that precludes adherence to an unsupervised weight loss intervention (e.g., pregnancy, end-stage renal disease, etc). * Instructed by a physician to limit physical activity AND have paralysis, dementia, blindness, unstable angina, untreated stage 3 hypertension, or recent history of heart attack, congestive heart failure or pulmonary conditions that required oxygen or hospitalization within 6 months. * Diagnosed with other cancers (except non-malignant skin cancer), cancer recurrence or metastatic disease. * Resides in a skilled nursing or assisted living facility. * Resides more than 15 minute driving distance from dyad partner.