That wont work as the Arcade Edition content being the Season 1 and 2 characters come as a dlc code which will be used on a Cex copy of the game. So technically they will be receiving the original SFV back on the trade (lol)
Arcade edition is a free update.
What is the fight stick like?
I have a joystick already and not used for at least a year lol. I hardly get time to play games these days. Street fighter, cod and gran turismo are the games i love but just trying to make time is difficult. I think it' this one I have http://www.argos.co.uk/product/8368847?utm_campaign=10294381&cmpid=COJUN&cjsurferid=839104344315235670:AeQWHR.QBxn_&utm_medium=affiliate&utm_content=Reevoo+Limited&utm_source=CJ&catalogId=10001&DM_PersistentCookieCreated=true&storeId=10151&_$ja=tsid:11674|prd:3438165&utm_term=2680003&referredURL=http://www.argos.co.uk/product/8368847&referrer=COJUN
Cex are offering £10 cash for the game so you could get the stick for £20. Or trade SF in for £14 credit then get the arcade edition using the credit