While the 401(k) plan has been around for decades, we are just now starting to see the cycle of this strategy.

Most people know that if you save in a 401(k) plan, you're able to deduct what you put into it on your income taxes. If you put $18,000 total a year into your 401(k) and you make $78,000 a year, then only $60,000 a year of your income is taxable.

However, what people don't talk about is how 401(k) plans are constructed, charged and the responsibility of the employer in managing those plans.