Yes, these exist on the internet. And so does here. :-)
And please, use your discretion while using these remedies. Common sense may not be so common, that is why we have disclaimers. But even so, since you are part of the gene pool and are an active participant therein, give yourself a pat and use your 'onion'.
To avoid tears while cutting onions : Chew gum.
To remove ink from clothes : Put toothpaste on the ink spots generously and let it dry completely, then wash.
To get rid of mice or rats : sprinkle black pepper in places where you find mice or rats. They will run away.
To skin sweet potatoes quickly : Soak in cold water immediately after boiling.
To boil potatoes quickly : Skin one potato from one side only before boiling.
To avoid smell of cabbage while cooking : Keep a piece of bread on the cabbage in the vessel while cooking.
To get max imum juice out of lemons : Soak lemons in hot water for one hour, and then juice them.
To give a shine to hair : Add one teaspoon of vinegar to hair, then wash hair.
To whiten white clothes : Soak white clothes in hot water with a slice of lemon for 10 minutes
To remove chewing gum from clothes : Keep the cloth in the freezer for an hour.
To make the mirror shine : Clean with spirit
To get pure and clean ice : Boil water first before freezing.
Ants Problem : Ants hate cucumbers. Keep the skin of cucumbers near the place or ant hole.
And please, use your discretion while using these remedies. Common sense may not be so common, that is why we have disclaimers. But even so, since you are part of the gene pool and are an active participant therein, give yourself a pat and use your 'onion'.
To avoid tears while cutting onions : Chew gum. 
To remove ink from clothes : Put toothpaste on the ink spots generously and let it dry completely, then wash. 
To get rid of mice or rats : sprinkle black pepper in places where you find mice or rats. They will run away. 
To skin sweet potatoes quickly : Soak in cold water immediately after boiling.
To boil potatoes quickly : Skin one potato from one side only before boiling.
To avoid smell of cabbage while cooking : Keep a piece of bread on the cabbage in the vessel while cooking. 
To get max imum juice out of lemons : Soak lemons in hot water for one hour, and then juice them. 
To give a shine to hair : Add one teaspoon of vinegar to hair, then wash hair. 
To whiten white clothes : Soak white clothes in hot water with a slice of lemon for 10 minutes 
To remove chewing gum from clothes : Keep the cloth in the freezer for an hour. 
To make the mirror shine : Clean with spirit 
To get pure and clean ice : Boil water first before freezing. 
Ants Problem : Ants hate cucumbers. Keep the skin of cucumbers near the place or ant hole.