I act really nice to all my family members. but in reality I hate all of them and I can't wait until I can move out.
That's really sad. Do you really want to move out?
Yes I'm working at it. I'll show them.
It's good that you are still showing kindness and respect towards them, and it's okay to not have to like your family. It is your choice to move and get out, so you never have to see them again. But for them, they'll only have happy memories of you since you chose to be nice instead of mean.
Haha it's fine, they don't deserve shit.
Even if you are treating them nicely, I can't seem to stop noticing that you think they are bad people. They have raised and provided shelter for you so I think it's a little bit unfair for you to say that they don't deserve anything. They're your family and I do hope you find it in your heart to think highly of your family and not secretly despise them.