As India’s urban population ages, elderly shoppers face challenges in navigating large retail spaces, from physical fatigue to stress with digital checkouts. This project reimagines their experience through AirCart, an inclusive, tech-integrated tap-to-shop system designed for elderly users. Leveraging NFC and BLE, users build a digital cart by tapping products, with navigation support via AR signage and fulfillment managed by staff or automation. Checkout occurs at rest zones or assisted kiosks, ensuring comfort and independence. Optional caregiver visibility, staff apps, and ambient displays deliver ethical, opt-in offers. Developed under the Universal Design framework at NID, AirCart combines proximity marketing, human-centered design, and system-level thinking. Stakeholder mapping, feasibility analysis, information architecture, and prototypes demonstrate real-world viability. AirCart provides a blueprint for smart, age-inclusive retail ecosystems in India, promoting autonomy for elderly users while offering value to caregivers, operators, and brands.