The most common and most likely answer to this crossword clue is the 8 letter word OVERTIME
I've seen this crossword clue in The Guardian
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More clues leading to the result OVERTIME
- Open note about current opportunity for supplementing income
- Extra work finished magazine
- Extra work messed up, remove it
- Remove it, as ordered, for extra pay
- Pay for extra work during an unspecified period
- Clear this person’s energy will lead to extra work
- Extra work performed in the long run
- Extra work noticeable by current compiler
- Extension to play on Broadway leads to Evita receiving Tony, and movie deal
- After hours, talking to stop and pub to close
Buddy explains!

The straight part
We know that "extra pay" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case extra pay = overtime.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.
What does OVERTIME mean?
OVERTIME noun- Working time outside of one's regular hours.
- The rate of pay, usually higher, for work done outside of or in addition to regular hours.
- An extra period of play when a contest has a tie score at the end of regulation. (British: extra time.)
- To measure something incorrectly, as taking more time than it actually did.
- Exceeding regular working hours.
- Beyond the normal or usual extent.