In the Name of Allah, the Most Gracious, the Most Merciful.
As-Salāmu ʿAlaykum Wa-Raḥmatullāhi Wa-Barakātuh
In principle, cutting one’s nails with the teeth is makrūh (disliked). As for the claim that doing so leads to poverty, we are not aware of any reliable evidence to substantiate this claim. [1]
And Allah Taʿāla Knows Best.
Baba Abu Bakr
Student –Darul Iftaa
Accra, Ghana
Checked and Approved by
Mufti Muhammad Zakariyya Desai
https://iftaa.co.za/9162/does-biting-nails-causes-poverty/