Filing the Form 5500-EZ for your solo 401k plan is super easy but you have to remember to file it. I use these the plan characteristics codes.
Paying estimated taxes based on previous year’s tax is the easiest. Estimate your income and taxes only when you have a large drop in income.
You still have good access to your money before age 59-1/2 when you do the after-tax 401k or 403b rolled over to Roth IRA.
Don’t worry if you receive a CP 214 notice from the IRS. It’s just a reminder.