Goods coated in rolled gold -- a hassle (5)
I believe the answer is:
aggro
'hassle' is the definition.
(I've seen this before)
'goods coated in rolled gold a' is the wordplay.
'goods' becomes 'gg' (an abbreviation for good written twice).
'coated in' indicates putting letters inside.
'rolled' shows that the letters should be reversed in order (letters roll back).
'gold' becomes 'or' ('or' is the heraldic name for gold).
'or'+'a'='ora'
'ora' written backwards gives 'aro'.
'gg' inserted within 'aro' is 'AGGRO'.
(Other definitions for aggro that I've seen before include "Violence - difficulties" , "Antisocial behaviour" , "Yobbish violence" , "Difficulties (sl.)" , "Hostile troublemaking" .)