It’s amazing how people gravitate to Segulos.
Saying Birchas Hamazon with Kavana is a wonderful Segula for Parnassa. So is Davening for Parnassa 3 x daily.
If you read Krias Shema twice daily you will see a list of things that can bring success in Parnassa , guaranteed by the RBSHO.
But someone says that Rav Mendel of Rimimnov said that a specific Parsha on Tuesday of Beshalach is a segula and it spreads virally around the world. “Last chance to say Parshas HaMon!”
I don’t think being the Am Segula means this.
There’s a well known story. Rav Chaim Kanievsky shlita told someone that it’s a shame that Rav Yehuda Hachassid didn’t include the aseres hadibros in his tzavaah, because people would be much more careful about them had he done so….