Budget for health insurance
If you're still on a parent's health plan under the Affordable Care Act, consider yourself warned. You need to budget for and obtain your own coverage by age 26 (the age when most family plans will kick you off). Start planning for the extra expense now by shopping for an affordable healthcare plan or applying for jobs with companies that offer health insurance.
When you don't have health insurance, one unexpected trip to the ER can drain your savings and leave you with significant debt. If only for financial reasons, don't even consider going without health insurance coverage.
Collect your employer's 401(k) match
One of the fastest ways to build retirement savings is to take advantage of a company 401(k) match if your employer offers one. Even if your employer only matches 25% or 50% of your contribution, that's still essentially a 25% or 50% return on your investment for the year.
Even if your employer doesn't match your contributions, or you're self-employed, make every effort to invest for your retirement. An individual retirement account such as a Roth IRA is a good choice, since withdrawals in retirement are not considered taxable income and the money grows tax-free until withdrawn.
Not sure where to start? Motley Fool Money has reviewed and ranked the best IRA accounts available today, so you can find the right fit for your situation and start putting your money to work.