Goddess Laxmi, the consort of Lord Narayana popularly known as Lord Vishnu, is the ruler of eight kinds of wealth. It is believed that the household where she is not worshipped never gets prosperred.Wealth and success never ever knocks at the doors of those households. As she is the beloved of Lord Vishnu, you need to accord respect to Lord Vishnu otherwise you can't expect Laxmi to stay at your place.