This practice for vastness in sustenance is tested by Hazrat Maulana Shah Abdul Aziz sahib. Perform ablution at 10’o clock in the morning and say four rakat Nafal Chasht Prayer, after the prayer prostrate and recite “Ya Wahabu Ya Razaqu”
یَاوَھَّابُ یَارَزَّاقُ one hundred and four times. Repeat this practice every month for seven days, Insha’Allah will never run short of sustenance. This practice is tried by many people. (Sidra-tul-Munteha, Sukkhur)