RecruitingBehavioural interventionCAPABLE TransplantThe purpose of this mixed methods study is to adapt CAPABLE as CAPABLE Transplant to accomplish two things: 1) To resolve barriers to being classified as active on the Kidney Transplant (KT) waitlist, 2) as a surgical prehabilitation intervention targeting the pre-frail/ frail KT waitlist population. It consists of two phases- an open label pilot and a randomized waitlist control trial, and 3) pilot test the feasibility and acceptability for CAPABLE Transplant in symptom and waitlist specific metrics amongst low-income active kidney transplant waitlist candidates.