Self-employed entrepreneurs have to change their money habits and how they look at their income. Entrepreneurs with flexible incomes may not be able to get away with a “set it and forget it” approach. Set up a budget that’s just as flexible as your income. Taking responsibility for your own retirement savings is a good way to keep your finances on track and your life and career goals alive, author says. For 2014, the contribution limits are up to 25% of your earnings to your employee.