The home renovation is finally done, and all that’s left is a good clean before you can enjoy it. But here’s the catch: the wrong deep-clean approach can actually undo the results you worked so hard for, scuffing new surfaces or leaving damage that’s harder to fix than the mess itself. Before you grab your usual cleaning supplies, here are 8 mistakes to steer clear of. Stick around for the bonus at the end — some genuinely unexpected stories from people whose cleaning day took a wild turn.