Mata Maha Lakshmi is the Goddess of wealth and prosperity, both material and spiritual. The word ''Lakshmi'' is derived from the Sanskrit word Lakshmi, meaning "goal." Laxmi, therefore, represents the goal of life, which includes worldly as well as spiritual prosperity. In Hindu mythology, Goddess Mata Luxmi, also called Shree, is the divine spouse of Lord Vishnu and the Goddess of wealth and fortune.
You must perform this Puja for wealth, when you are facing financial difficulties and wish to earn wealth .For improvement in Financials and also for recovery of dues, which are said to bestow different benefits to the performer of this Puja. Even the mere recitation of these mantras, bestow prosperity. Those who are doing business or are facing financial problems may perform this puja for wealth and prosperity to receive the blessings and grace of Goddess Lakshmee.