Reciting Salutun Nabi ﷺ multiples rewards and blesses the person.
One Salutun Nabi ﷺ returns 70 blessings, weight of mountain Uhud on the scales, protects deeds, pleasing to Allah سُبْحَانَهُ وَتَعَالَى and Zakat (purification) of deeds.
A Powerful durood which guarantees your parent's forgiveness, meeting Rasulullah ﷺ and his family, 70 angels tire writing good deeds and all of Rasulullah ﷺ rights fulfilled.
200× on Friday equates to 200 years expiation of sins. 100× morning & evening gives 30 blessings in this life and 70 in ahkirah.
Explanation of Surah Al Ahzaab verse 56 and it's secrets.
"When I ﷺ am mentioned in the presence of someone and does not send the blessings upon me then the path to paradise has passed him by." (Tabarani)