Sayyiduna al-Mughirah bin Shu'bah (may Allah be pleased with him) narrates from the Messenger of Allah (peace and blessings be upon him) that: "Allah Almighty has forbidden you disobedience to mothers, burying daughters alive, withholding (what is due) and making unlawful demands; and He has disliked three things for you: idle talk, asking many questions, and wasting wealth."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحجر / 11340
Sayyiduna al-Mughirah bin Shu'bah (may Allah be pleased with him) wrote to Sayyiduna Mu'awiyah (may Allah be pleased with him), and Warrad stated that it was written with his own hand: I heard the Messenger of Allah (peace and blessings be upon him) say: "Allah Almighty has made three things unlawful and has forbidden three things: disobedience to mothers, burying daughters alive, and withholding (what is due) while making unlawful demands; and He has forbidden three things: idle talk, wasting wealth, and persistent begging."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحجر / 11341
Sa'id bin Jubayr (may Allah have mercy on him) was asked about wasting wealth, and he said: It is the person whom Allah Almighty provides with sustenance and who then spends it on something unlawful that Allah has made unlawful for him.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحجر / 11342