Pradyumna: "Sakara Mallika, who was later to become Rūpa Gosvāmī, retired from his post and collected all the money he had accumulated during his service. It is described in the Caitanya-caritāmṛta that his accumulated savings in gold coins equaled millions of dollars and filled a large boat. He divided the money in a very exemplary manner, which should be followed by devotees in particular and by humanity in general. Fifty percent of his accumulated wealth was distributed to the Kṛṣṇa conscious persons, namely the brāhmaṇas and the Vaiṣṇavas. Twenty-five percent was distributed to relatives. And twenty-five percent was kept against emergency expenditures and personal difficulties. Later on when Dabira Khāsa also proposed to retire, the Nawab was very much agitated and put him into jail. But Dabira Khāsa who was later to become..."
Prabhupāda: In this connection, we may inform that our disciples in Kṛṣṇa consciousness movement, those who are gṛhasthas, they contribute at least fifty percent of their income. Yes. Most of them, they are full-time engaged. But if one cannot be whole time engaged... Just like we, we have got our disciple, Professor Howard Wheeler. He gives more than fifty percent of his income for developing our New Vrindaban scheme. So we try to follow these principles laid down by Rūpa Gosvāmī, that fifty percent for Kṛṣṇa or Kṛṣṇa's devotees, twenty-five percent for personal emergencies and twenty-five percent for the dependent relatives.