Hardware stores sell numerous products promising to silence squeaky floors, but most create temporary quiet while masking symptoms of deeper problems. Screwing through carpet without proper diagnosis can miss the actual issue entirely, while shims driven between joists can shift and create new squeaks months later. Over-tightening screws can crack subfloors and incorrectly placed fasteners can split joists, turning a simple fix into a more expensive repair. Leo’s approach starts with accurate diagnosis to identify whether the issue stems from subfloor movement, joist problems, or board looseness, then applies the appropriate permanent solution.