The second house describes material assets, how you handle monetary income, and the potential ways it may be earned. It also indicates the values and priorities you establish throughout life.
Planets in the second house reflect particular facets of these matters; for example, the Moon in the second house indicates those who equate money or personal assets with emotional security. Lack of assets can make them feel so insecure and vulnerable that they become extremely conservative or even miserly. However, the behavior many seem to exhibit is impulse buying or spending money as a means of emotional consolation.