What are the best hair extensions besides professional glued in ones?

I've had clip ins before but I was always afraid that people could see the clips.

I loved my hair a couple days ago but when my mom was trimming it she accidently cut off more then I wanted.

What kind should I get?

I don't want to spend too much.What are the best hair extensions besides professional glued in ones?
Watch this video on hair extentions,

http://www.youtube.com/watch?v=d8PDhbUP-/a>

lip chapstick