Sunan al-Nasa'i
It was narrated from Al-Hasan that he disliked to hire a man without telling him what his wages would be.
The Book of Agriculture
Part of: Business Transactions & Trade
83 hadith in this topic
Sunan al-Nasa'i
"No, not until he tells him (what his wages will be)."
Sunan al-Nasa'i
"When you hire a worker, tell him what his wages will be."