Oncology Care at Home for BMT and CAR-T

Inclusion Criteria: * Age 18 years to 89 years old * Bone marrow transplant recipients (allogeneic and autologous) or CAR-T patients * Determined by care provider to be stable for discharge to home setting for outpatient care according to clinical practice standard operating procedures (SOPs) * Residing in the Denver metro area for the duration of the study within 45 minutes of the AMC * Has in-home caregiver support 24/7 (i.e., does not live alone) * Has self-reported reliable telephone and home internet service and a stable wireless network * Patient agrees to not submerge the BioButton Rechargeable device in more than 3 feet of water or submerge for longer than 30 minutes at a time. * Patient owns or possesses, as the primary user with reliable daily access, a mobile device (iOS or Android) capable of running the study's mobile applications and accepting the terms and conditions * Patient has SMS texting capacity and an unlimited texting plan or other plan sufficient for study text messaging without undue patient burden * Patient is willing to complete and log a self-check of temperature twice daily and return the log to the study team at the end of the study * Patient is willing to be available for the duration of the study * Patient has access to reliable transportation to the hospital 24/7 Exclusion Criteria: * Patients will be excluded from study participation if the PI or designated care provider believes study participation would not be in the patient's best interest for clinical reasons. * Patients may also be excluded from study participation if in the opinion of the PI they have a medical condition that may impede their ability to adhere to the study protocol.