Open A Solo 401k Before Dec 31st And Married's Can Deduct Up To $109,000 Off Tax Bill. Nabers http://www.Nabers.com says setting up and contributing to your Solo 401k before the end of 2009 will allow married couples to deduct up to $109,000 from their 2009 income taxes. Watch this video to learn more or you can pick up the phone right now and call Nabers Group directly at 877-903-2220.