Box Sales , Repair & Installs on Instagram: "🚚 The REAL Cost of Owning a Box Truck (Read This Before You Buy) Everyone talks about gross numbers… Very few talk about what it actually costs to RUN a box truck. 🚚 Fuel ⛽ Depending on routes and weight, a box truck can burn $1,200–$2,500+ per week in fuel. Tip: A good rule of thumb is multiply your expected gross x 0.24 to calculate fuel costs. Insurance 🧾 Commercial insurance isn’t cheap. Most new owners pay anywhere from $700–$1,500 per month,