Bhagavan blesses those who perform Satyanarayana Puja. Their life becomes happy and peaceful. All their problems get solved. They become lucky. Performing Satyanarayana Puja confers the results of doing thousands of yajnas.
Vedanta is the culmination of Hindu Philosophical thought. Vedanta primarily consists of Brahma Sutras written by Badarayana, Bhagavad Gita, and the Upanishads collectively called the Prasthana Trayi and also their interpretations by scholars such as Sankaracharya, Ramanujacharya, and Madhvacharya. Brama Sutras are Upanishadic principles expressed in a concise Sutra format. Bhagavad Gita is a Smriti - Upanishad whereas the other Upanishads are Shruti - Upanishads.