To understand what expenses are the most important, think about the difference between wants and needs. You don't need to park close to the airport, play videogames, or raise money. While raising money might be morally important, you need to remember that if you are on a budget it should not be a top priority. On the other hand, you need food and to buy groceries. So, if only one of these options is available make sure to buy the groceries.
