Calculate the Total Cost of Ownership (TCO) by factoring in labor efficiency. While motorized stair climbers have a higher initial cost, they can reduce labor requirements from two persons to one and significantly lower the risk of workplace compensation claims due to back injuries. For high-frequency use (e.g., logistics, appliance delivery), the ROI is typically achieved within 6 to 12 months. For occasional warehouse use, a heavy-duty manual tri-wheel trolley remains the most cost-effective solution.