Overstock has a nice selection of cheap wigs and hair extensions to help you change up your look in a pinch. Wigs of all colors and hair lengths range from $11 to $42, including 8 wigs that cost $15 or less.

Sears has a variety of wigs and hair extensions to help you change up your look in a snap. This includes extensions in an array of styles and colors that range from $3 to $2,105, including sale items that are marked up to 30% off the original price.

Shein is a fast fashion company that brings the latest looks to its customers at the lowest prices possible. Collections include clothes, shoes, and accessories for women, men, and kids.

Search "wigs" on the ASOS site to see a variety of wigs and extensions. Items like clip-in extensions, ponytails, and real-looking wigs range from $27 to $103, including some items that are marked up to 40% off.