I have a cermaic one that gets hot, forgot the exact temp., it was abt $60. So is it worth it to spend another $100 or so on a Chi? Do they really work better? Keep hair straighter, flatter?

omg!!
yes
its totally worth it!!
i have thick wavy hair and when i straighten its completely straight people sometimes even ask me if its real and i say yeah
its the magic of CHI