If you don't plan for your retirement, no one else will. The Solo 401(k) is a special retirement plan for sole practitioners such as store owners which allows for pretax salary deferral contributions. The plan, also called the Uni(k), Single(k), Personal(k) or Individual 401(k), is filling an obvious hole in many people's plans and grabbing significant market share. Read about it in Forbes. Manage your future as well as you manage your store.