1. To remove rust from a kitchen knife, soak it in rice water for half an hour and then scrub it with a steel wool pad.

2. Over time, a thick layer of grease will accumulate in the kitchen sink. You can use apple peels or leftover apple cores to repeatedly rub the grease spots several times. This will easily remove the grease, and the effect is even better than dish soap.

3. When cooking or washing dishes, it's easy to get your hands covered in oil. Mix some water with a spoonful of sugar and rub it in your palms. The oil stains will be easily removed, and most importantly, it's natural and won't hurt your hands.

4. To remove grease from ovens and microwaves, sprinkle some salt on the grease while the oven is still warm, and wipe it off after it cools down.

5. When mopping the floor, add some fabric softener to the water. Some ingredients in fabric softener can form a protective film on the floor surface, making the floor shinier and less prone to dust.

6. Over time, the surface of wooden floors may become "hazy". You can mix olive oil and edible vinegar in a 1:1 ratio, stir well, and then use a cotton cloth to wipe the surface.

7. Kitchen floors tend to accumulate grease, so you can pour some vinegar on the floor before mopping.

8. Metal faucets can be cleaned with potato peels, and they will look brand new afterward.

9. If your glasses are covered in water droplets after rinsing with water and you can't use a cloth, you can turn the tap on a small amount and hold the glasses frame over the water stream slowly. This way, there won't be any water droplets left.

10. You can use banana peels to wipe your leather shoes when they get dirty. They can remove dust and increase shine at the same time, which is very useful.

11. Over time, TV screens inevitably accumulate a lot of dust. Wiping them with a damp cloth can easily leave watermarks and lint. Instead, you can use coffee filter paper to wipe them, which won't leave any streaks. The same applies to mobile phone screens.

12. Adding some floral water when mopping can repel mosquitoes and insects, and adding some salt can help the floor dry faster.

13. For those who frequently wear glasses, you can cut a piece of glasses cloth and stick it to the inside of your clothes with double-sided tape. This way, you can wipe your glasses directly when they are blurry.

14. As the weather gets colder, rubber gloves will be needed for washing dishes and laundry. If a glove gets a small hole, don't rush to throw it away. You can cut a piece off the cuff and glue it to the hole with strong glue. This will prevent water leakage and allow you to continue using it.

15. For mildewed clothes, soak light-colored clothes in rice water for about 8 hours, then wash normally. For ordinary clothes, add an appropriate amount of white vinegar to the water, soak, and then rub the mildewed areas by hand. For valuable clothes, dry cleaners have special mildew-removing detergents.

16. White vinegar can whiten teeth. Hold it in your mouth for about two minutes, then spit it out and rinse or brush your teeth. (The effect is noticeable, but it can damage teeth and should not be used excessively.)

17. Chop onions and rub them on the glass. After the surface dries, wipe it with a cloth. The glass will be clean and new, without leaving any streaks.

18. Over time, leather shoes will lose their shine and appear dull no matter how much you wipe them. You can cut a fresh lemon in half and use it to wipe the leather shoes to restore their original shine.

19. Flour can be used to remove iodine stains that are accidentally spilled on clothes. First, wet the stain with water, then apply flour and rub it repeatedly. Let it sit for 5-10 minutes, then rinse with water to completely remove the stain.

20. When washing white clothes, soak them in a mixture of laundry detergent and white vinegar for 15 minutes before washing. This will effectively remove various stains and make them as white as when they were new.

21. White furniture may turn yellow over time. To fix this, add some vinegar to warm water, then wipe the furniture with a cloth. Once the surface is dry, wipe it with furniture wax to restore its shine.

22. To remove rust from a kitchen knife, soak it in rice water for half an hour, then scrub it with a steel wool pad. Alternatively, you can rub the rusted parts of the knife with a cut onion to remove the rust.

23. Cornmeal can be used to clean oil stains. If you accidentally spill oil on your sofa or cushions, you can sprinkle cornmeal on it and let it sit for half an hour. After cleaning off the cornmeal, you will find that the oil stains have become lighter.

24. A simple trick for cleaning suede shoes: Suede shoes are prone to accumulating dust due to their uneven surface, making them difficult to clean. Add two drops of dish soap and a suitable amount of white vinegar to water, stir well, then use a scouring pad to apply the solution and scrub in one direction until clean. (Suede shoes should not be exposed to direct sunlight; a hairdryer can be used to blow-dry them, which also helps to kill bacteria and remove odors.)

25. Before applying paint or coating, rub a little damp soap into the crevices of your fingernails to prevent paint or coating from accumulating there.

26. Adding a few orange peels when washing dishes can eliminate odors and increase shine.

27. When showering, you can put an old stocking over the bathroom drain. This will catch all the hair and prevent it from getting tangled in other debris and causing a blockage.

28. Over time, leather sofas will accumulate black grime in the texture, which is very difficult to clean. We can dilute baking soda with water and use a toothbrush to scrub the area. After scrubbing one area, immediately wipe it clean with a cloth dampened with water, and then scrub other areas. This way, you can easily remove old dirt.