[1]Give it before it becomes due.
[1]Give it secretly for maximum sincerity.
[1]Give to close relatives (not dependents) for double reward.
[2]Calculate accurately: cash, gold, silver, business inventory, stocks.
[M]Give the relative his right, the poor, and the traveler — Give Zakat and what is due to relatives (Quran 30:38; Bukhari 1445) [bg:Revealed in Mecca prophesying the victory of the Byzantines (Romans) over the Persians within a few years — a prophecy fulfilled at the Battle of Issus (622 CE). The surah calls to reflect on Allah's signs in creation and warns that the disbelievers will be raised from their graves on the Day of Judgment. Revealed in the Meccan period commanding giving to relatives their due right, and to the poor and the traveler.]
[M]If a sinner brings you news, verify it — Verify news before acting (Tabayyun) (Quran 49:6; Bukhari 6631) [bg:Revealed in Medina (9 AH) establishing the etiquettes of social interaction: addressing the Prophet with respect, verifying news, making peace between believers, avoiding mockery and backbiting. Also called al-Hujurat (the Rooms) after the rooms of the Prophet's wives. The surah was revealed after the delegation of Banu Tamim called the Prophet from outside his rooms. Revealed in 9 AH after the incident when al-Walid ibn 'Uqbah was sent by the Prophet to collect zakah from the Banu al-Mustaliq, but returned saying they refused to pay and threatened to kill him.]
[M]Pay 2.5% zakat annually on wealth reaching nisab (85g gold) for one lunar year.