Permanent remy hair extensions sale can cost from $600 to about $2000. Besides the fact that not everyone can afford them, permanent extensions also have to be maintained and removed by professional hairdressers, which of course, make them even more lace wigs for sale. Clip in extensions are better options, because you can find affordable styles, ranging from $50 to bout $400. Even high school girls can give virgin hair extensions a try, before deciding to grow their hair long, without really investing so much money on a hair piece. Another plus in using human hair extensions is that you do not need to glue these hair pieces onto your scalp or your hair. You don't need to weave in the hair piece in to your real hair, as you would with a permanent hair extension. Clip in extensions can easily be blended with your own real-hair, without using glue or weaving which can both cause cheap hair extensions sale damage to yourself.