DIY
If you have a closet full of dresses that would have been perfect if they just had alternative sleeves or jumpsuits with beautiful necklines but droopy bottoms, try reusing them with the half you prefer.
Combines two garments, for example, sewing the top of one dress to the skirt of the other, which is an alteration, especially if the skirt has a built-in waistline. Slicing apart a dress to produce a skirt or top is an easier variation of this style hack.