Advanced Neurological Disorders (ANDs) (late-stage Parkinson's disease, ALS, etc.) are becoming increasingly serious global health concerns due to extensive motor deficits and substantial reliance on institutions for support. Although clinical care has greatly enhanced life expectancy, it is also resulting in longer durations of high dependency morbidity, which has exposed a "Rehab Gap," in that sporadic professional interventions do not sustain or enhance neuroplastic recovery. This paper evaluates the Caregiver-Assisted Rehabilitation Model (CARM), a paradigm that transitions the informal caregiver from a passive observer to an active "Therapy Force Multiplier." The research systematically examines three core dimensions of this integration: first, the clinical efficacy of Task-Specific Bio-Priming and facilitated movement in increasing total weekly therapeutic dosage; second, the engineering of Environmental Cueing and Hazard Mitigation protocols designed to reduce the 30-day readmission risks associated with falls and secondary complications; and third, the implementation of ICT-mediated Remote Monitoring to provide real-time clinical oversight while mitigating caregiver attrition through mastery-based training. By synthesizing health economic data and clinical outcomes, the paper demonstrates how CARM can increase functional engagement by 400%, effectively lowering the $26 billion annual burden of preventable readmissions. This research ultimately proposes a standardized framework for domestic neuro-rehabilitation, claiming a vital shift toward a proactive clinical partnership that democratizes access to intensive, life-altering motor recovery.