Renting a truck and hauling junk yourself can work fine for small, light jobs — a few boxes, a single piece of furniture, a short trip across town. The math usually favors DIY when the job is small and you already have help to lift.
Once a job involves heavy furniture, multiple trips, or a dump run at the end, the math tends to flip. Between the truck rental, gas, dump fees, and the physical toll of loading and unloading alone, professional hauling often ends up costing about the same — minus the labor and hassle.
The bigger factor for a lot of people is time and physical strain. If a job would eat up your whole weekend or require lifting something heavy without help, it's usually worth pricing out a professional hauler before committing to the DIY route.