When it comes to saving for retirement, too many people are not taking advantage of free money—and it's costing them, says certified financial planner Rich Coppa, managing director of Wealth Health.
Read MoreKeeping your investments on track
The rise of 401(k) plans has shifted the responsibility of saving for retirement to workers. Some aren't taking full advantage of employer-sponsored plans, and that means leaving money on the table. To that point, the Internal Revenue Service last month announced changes in the amounts you can contribute to your 401(k) plan.