Don’t let wrinkles ruin your outfit. Mist any wrinkled garment with a mixture of 1 part vinegar to 3 parts water and let air dry to give it that “just ironed” look.

 
Get crayon stains out of clothing by rubbing them with an old toothbrush dipped in vinegar. Then wash as usual. Source

Vicki Lansky, “Vinegar: Over 400 Various, Versatile, & Very Good Uses You’ve Probably Never Thought Of.” 2004