You chose the tradesperson based on other people's opinions, so repay the favour to the online community.
Times, Sunday Times (2015)
We've taken a lot of English bands on tour with us to repay the favour.
The Sun (2007)
An old favour is repaid generously.
The Sun (2016)
A favour is repaid in a generous way.
The Sun (2016)
A family favour is repaid in an imaginative way.
The Sun (2016)