Key Takeaways! Solo 401k a retirement plan that takes care of self-employed individuals and small business owners with limited employees SEP IRA is a traditional IRA that allows employers to make contributions to their employees' retirement accounts Solo 401k can provide more flexibility and higher contribution limits than a 401a plan You can take a loan from your solo 401k acco... https://www.statepension.us/blog/solo-401k-vs-sep-ira