Tangled hair extensions!!!?

I bough some wefted hair extenstions at salleys the satin strand brand they were about 75$ and they claim to be remi hair but they tangle all the time im so disapponited does anyone know of any good quality hair at salleys that dont tangle if not do you know of any websites that sell hair that is good quailty good priced that wont tangle!!!?? thanks so much!!!