The most common and most likely answer to this crossword clue is the 3 plus 3 plus 6 letter word DOS AND DON’TS
D
O
S
A
N
D
D
O
N
â
€
™
T
S
Buddy explains!
The straight part
We know that "Advice" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case advice = dos and don’ts.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.