Calculate the Total Cost of Ownership (TCO) by factoring in the initial price, consumable costs (diamond wires), and electricity consumption. High-efficiency machines may have a higher upfront cost but offer 30% faster cutting speeds, significantly reducing labor costs per unit. Request a yield analysis report from the supplier to see how much raw jade is saved compared to traditional circular saws; in the jade industry, reducing material waste by 10% can often pay for the machine within six months.