Vinegar and water for cleaning mirrors and windows, use newspapers to clean with instead of rags. I have done this. It works wonders.
Use a mixture of 1/2 baking soda, 1/2 salt, sprinkle on carpets to kill ants and roaches. Leave on at least 15 minutes, vacuum well.
Make a liquid of instant coffee and warm water to cover the scratches on dark furniture. The darker the furniture, use more instant coffee. Rub on, let set a few minutes, dry, polish.
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Remove Furniture Scratches with Walnut