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A certificate of deposit ladder may provide a good way to gain a step up on the personal-finance climb.

A CD ladder involves setting up CDs at different maturity periods, allowing an investor to take advantage of interest rates spread out over time.

Once the first CD matures after a year, it can be reinvested as a new ladder rung.

If you’re interested in how a CD ladder works, several websites offer good information on the topic.

CDRateGuide.com: Discusses the basic approach to building a CD-ladder portfolio. cdrateguide.com/investor-info/cd-ladder

Interest.com: Provides a brief CD-ladder overview and calculator. interest.com/cd-rates/calculators/cd-ladder-calculator

Investopedia: Covers a variety of CD-ladder topics, including laddering basics, considerations and benefits. investopedia.com/articles/bonds/07/ladders.asp

MainStreet: Explains how CD laddering works, and how to set one up. mainstreet.com/article/money/investing/building-cd-ladder-steady-income

The Street: Focuses on developing a CD-ladder strategy. thestreet.com/story/10463459/1/setting-the-strongest-cd-laddering-strategy.html