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7 Home Improvement Hacks That'll Make You Look Really Smart

What would MacGyver do if he was as awesome as the guys from This Old House? Probably this stuff... -Tabitha Sukhai

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2. Peel-proof your paint job

Before painting galvanized metal or concrete, wipe down the object or surface with vinegar, using a sponge or lint-free cloth. This little trick will help your paint job last longer. Believe it or not, there's more to vinegar than just salad dressing. Durr.

3. Tighten up loose fittings like a boss

TOH general contractor Tom Silva has used dental floss instead of Teflon tape, to block leaky gaps around parts that screw into place. He just winds a length around the fitting's threads half a dozen turns before screwing it on. Click through for lots of other ways to to floss like a DIY boss .