Sahih Bukhari
Sales and Trade
Volume: 003 / Book Number: 034 / Hadith Number: 313
Narrated Abu Qatada:
We set out with Allah's Apostle in the year of Hunain, (the Prophet gave me an armor). I sold that armor and bought a garden in the region of the tribe of Bani Salama and that was the first property I got after embracing Islam.