If you own a small business with no employees (other than your spouse) and want to set up a retirement plan, consider a solo 401(k) plan. This is also an option for self-employed individuals or business owners who wish to upgrade from a SIMPLE IRA or Simplified Employee Pension (SEP) plan. A solo 401(k), also known as an individual 401(k), may offer advantages in terms of contributions, tax savings and investment options. These accounts are geared toward self-employed individuals, including sole proprietors, owners of single-member limited liability companies, consultants and other one-person businesses. How much can you contribute? You can make large annual tax-deductible contributions to a solo 401(k) plan. For 2024, you can make an “elective deferral contribution” of up to $23,000 of your net self-employment (SE)...