Illustration: David Wyffels

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Why It's important: We tend to focus on assets and forget about debts. Financial security requires facing up to the big picture: assets minus debts.

Do this now: Type "net worth calculator" into any search engine and you will find plenty of free online tools to help you take stock of your assets and debts.
Please note: This is general information and is not intended to be legal advice. You should consult with your own financial advisor before making any major financial decisions, including investments or changes to your portfolio, and a qualified legal professional before executing any legal documents or taking any legal action. Harpo Productions, Inc., OWN: Oprah Winfrey Network, Discovery Communications LLC and their affiliated companies and entities are not responsible for any losses, damages or claims that may result from your financial or legal decisions.