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Living paycheck to paycheck won't allow you to retire comfortably, if you can retire at all. So instead of spending your excess cash—or even depositing it in a bank account—consider investing it for retirement.

According to this team of financial experts, investing can preserve your spending power in the years to come, and allow you to enjoy a long, stress-free retirement.

"It's hard to keep up with inflation by just putting money into savings accounts," says Gail Linn of Metlife Financial Group of New York.

Because while a dream-fulfilling second act career later in life might sound appealing, you don't want to have to work through retirement.

Read Next: 3 Strategies for Making Your Money Last Through Retirement