Saturate set-in stains with vinegar, then rub the spot with a paste made from equal parts vinegar and baking soda. You can add a couple of tablespoons each of vinegar and laundry detergent to a bucket of water and soak the garment overnight if the stain persists. Then, rinse and wash.
Rub vinegar into the crayon stain with a brush (an old toothbrush works great), then toss the garment in the wash.
Rinse the garment in cool water to remove as much of the vomit as possible, then soak the stain in vinegar and wash the garment. Repeat the process, if necessary.
To remove a rust stain, soak a cotton ball in vinegar and use it to blot the stain. Cover the stain with a thin layer of salt and rub it into the vinegar and the fabric. Lay the garment outside in direct sunlight until the stain has faded, then wash as usual.
Accidentally leave the iron on your clothes for too long? Reverse the damage by soaking a cotton ball or rag in vinegar and dabbing at the scorched area. Blot the stain with a clean rag, which should lift the stain. It may take more than one application to remove the scorch mark fully.
