A DIY project can start with a simple thought: How hard could it be? Then the shopping list grows from a drill to a saw, level, specialty bit, clamps, safety gear and a mysterious tool that seems necessary because three YouTube videos insisted on it. By the time the project reaches the halfway point, the homeowner may have spent enough on equipment to wonder whether hiring someone would have cost less in the first place.
That does not make DIY a bad idea. Far from it. Doing the work yourself can save money, teach useful skills and provide the deeply satisfying feeling that comes from standing back and thinking, “Yep, that actually looks pretty good.” The problem starts when the project requires a pile of tools that will spend most of their future lives gathering dust in the garage.