#6 Two camels

The book of Hiring

(4) Chapter. It is legal if somebody hires someone to work for him after three days, or after one month or after a year. When that period elapses they should carry out their contract

Hadeeth 2264.

Narrated Aisha رَضِيَ ٱللَّٰهُ عَنْهَا (the wife of the Prophet): Allah's Messenger صَلَّى ٱللَّٰهُ عَلَيْهِۦ وَسَلَّمَ and Abu Bakr hired a man from the tribe of Bani-Ad-Dil as an expert guide who was a pagan (follower of the religion of the pagans of Quraish). The Prophet صَلَّى ٱللَّٰهُ عَلَيْهِۦ وَسَلَّمَ and Abu Bakr gave him their two riding camels and took a promise from him to bring their riding camels in the morning of the third day to the Cave of Thaur.