Where could I buy clip in extensions online?
If you mean hair clip extensions, then you can buy them on stores such as Sally Beauty, Luxy and Headkandy. The prices of the extensions vary depending on the length, color and quality. When you are buying the hair extension, you need to choose your perfect shade for perfect look. See http://www.luxyhair.com/ and http://www.sallybeauty.com/hair-extensions/Hair16,default,sc.html for reference.