Remove rust from knives and other ironware using potato juice. Rub potatoes on the rusted surfaces to clean them up.
Make a cleaning spray using citrus fruit peels and vinegar. Put citrus peels in vinegar and let it steep in a dark place for a few weeks.
Make your bathroom mirrors fog-proof by rubbing some cucumber juice on them before you take a shower.
You can dust and polish your plants in home gardens using banana peels as they act as natural moisturizers.
Which hack did you find most useful?