Hair Extention Question Please Read?

I was looking into hair extentions opposed to dying/bleaching hair. I have gotten the extentions where they use the glue and that was ok, kinda hard to get out. I also know there is the weave/hair tape/ and beads, and ones with these little plastic loops. I know about the clip ins, but looking for something more real/permanent. have any of you tried these? Which is the easiest/safest on hair that would last? Thanks!