When provision feels tight
اللَّهُمَّ اكْفِنِي بِحَلَالِكَ عَنْ حَرَامِكَ، وَأَغْنِنِي بِفَضْلِكَ عَمَّنْ سِوَاكَ
O Allah, suffice me with what You have made lawful so that I have no need of what You have made unlawful, and make me independent by Your bounty of all besides You.
RizqJami at-Tirmidhi.