How do i successively use Suboxone ? Is there still withdrawals?

i have a couple questions i really need help to decide weather or not taking suboxone is going to help me successively quit taking oxycodone or is it gonna be a waste of my time and money ? what do i expect when i take 8mg strip ? how long will it last and will i still feel like c**p will i still feel like im withdrawning  and how do i take it to be successful ?