Account deep-dives.
The tax-advantaged toolbox.
The existing /personal-finance/ page covers the standard 401(k) and Roth IRA. This section goes deeper into the accounts most people don't know about: the Solo 401(k) for the self-employed, the SEP-IRA, the HSA as a stealth retirement account, the 529 for college savings, and the 457(b) governmental plan. Each has a specific role in a legal tax-minimization playbook.
Not a CPA or financial advisor. This is education, not tax or investment advice. Contribution limits, eligibility rules, and account features change annually. Anything marked needs to be confirmed against current IRS publications before you act. For material decisions, hire a CPA.
The IRS gives a short list of accounts where income grows tax-free or tax-deferred. The 401(k) and Roth IRA are the famous two. The other five in this section are where the real leverage sits: a Solo 401(k) can shelter $70K/yr of self-employment income, an HSA is the only triple-tax-advantaged account in the code, a 529 has a new rollover to Roth path, and a governmental 457(b) lets early retirees access funds with no penalty. Pick the ones that fit your job and your life stage.
The toolbox
Each card is its own deep-dive. Skim the descriptions, click into whichever account matches your work situation.
Which account applies to you
Decision helper. Pick the first branch that matches your situation:
- Self-employed with no employees (or just a spouse)? Start with the Solo 401(k). If you want zero paperwork, use a SEP-IRA instead.
- Enrolled in an HSA-eligible HDHP? Max the HSA before anything else past the 401(k) match. It is the best account in the tax code.
- High income with kids headed to college? Compare a 529 against a Roth IRA honestly. State tax deduction size decides.
- Government employee or 501(c)(3) nonprofit staff? Look at your 457(b) options. If you also have a 403(b), you can stack both at the full limit.
- W-2 employee with a regular 401(k) and Roth IRA only? The existing Personal Finance Order of Operations playbook is enough. Come back here when the situation changes.
Most people never touch half of these accounts because nobody tells them they exist. A teacher with a 457(b) and a 403(b) and an HSA can shelter over $55K/yr of income from federal tax without ever doing anything exotic. The accounts are already in the code. You just have to open them.
2026 contribution limits
Quick reference. All figures are preliminary until IRS publishes final 2026 inflation adjustments. Catch-up amounts apply at age 50+ unless noted.
| ACCOUNT | 2026 LIMIT | CATCH-UP |
|---|---|---|
| 401(k) / 403(b) employee deferral | $24,500 | +$7,500 |
| Solo 401(k) combined cap | $72,000 | +$7,500 |
| SEP-IRA (employer only) | $72,000 or 25% of net SE income | N/A |
| Roth / Traditional IRA | $7,500 | +$1,000 |
| HSA (family) | $8,750 | +$1,000 (age 55) |
| HSA (single) | $4,400 | +$1,000 (age 55) |
| 457(b) governmental | $24,500 | +$7,500 |
| 529 superfund (one parent) | $95,000 (5-yr election) | N/A |
- IRS Publication 560 (retirement plans for small business) - irs.gov
- IRS Publication 969 (HSAs and health plans) - irs.gov
- IRS Publication 590-A and 590-B (IRAs) - irs.gov
- IRS Section 529 - Qualified Tuition Programs - irs.gov
- IRS Section 457 - Deferred Compensation Plans - irs.gov
- SECURE 2.0 Act of 2022 - 529 to Roth rollover provision - congress.gov
How we got here: the shift from pensions to 401ks
For most of the post-war period, retirement in America rested on three things: Social Security, a company pension, and personal savings. The first two were near-certain. The third was a bonus.
Your employer was legally obligated to pay you a fixed monthly amount for the rest of your life, regardless of what markets did.
Employer bears all investment risk. You know what you will receive.
Your employer defines what goes in. No one defines what comes out. What comes out is whatever the market decides on the day you retire.
You bear all the investment risk.
In 1980, roughly 60% of private-sector workers covered by any retirement plan were enrolled in a defined-benefit pension. Today fewer than 15% are. verify×DON'T TRUST, VERIFYClaim: In 1980, roughly 60% of private-sector workers with a retirement plan had a defined-benefit pension. By 2023, fewer than 15% did.Verify at: BLS National Compensation Survey 2024 ↗Coverage rates also reported in EBRI historical retirement plan participation series.
The 401k was an accident
The 401k started life as a small clause in the Revenue Act of 1978, Section 401(k) of the Internal Revenue Code, designed to let senior corporate executives defer compensation and lower their current tax bill. verify×DON'T TRUST, VERIFYClaim: Section 401(k) was added to the Internal Revenue Code by the Revenue Act of 1978 (Public Law 95-600). It was originally narrow tax-deferral language, not a mass retirement product.Verify at: Public Law 95-600 (Revenue Act of 1978) ↗ It was not designed as a mass retirement product. In the early 1980s, benefits consultant Ted Benna recognized the clause could be used to create employer-sponsored savings plans for all workers, not just executives. verify×DON'T TRUST, VERIFYClaim: In 1981, benefits consultant Ted Benna interpreted Section 401(k) as authorizing salary-reduction retirement plans for ordinary employees, designing the first such plan for The Johnson Companies.Verify at: InvestmentNews: Ted Benna profile ↗Benna's first plan was filed with the IRS in 1981 and approved in 1982. The story is repeated in standard financial-history sources.
Companies adopted it quickly because it was cheaper than funding a defined-benefit pension, it moved the investment risk entirely onto the worker, and it could be sold to workers as empowerment. By the late 1980s the 401k had become the dominant new retirement plan offered by employers.
The honest case for both sides
- Portable: you keep it when you change jobs.
- Greater personal choice over investments.
- No risk of your employer going bankrupt and losing your pension entitlement (private pensions before ERISA had real failure cases).
- If markets do well, you may end up with more than a fixed pension would have paid.
- Predictable income for life.
- No sequence-of-returns risk: payments are not affected by what the market does the year you retire.
- Professional management at institutional scale.
- Protection for workers who are not financially sophisticated.
These systemic criticisms do not change what the right individual action is. If your employer offers a 401k, contribute at minimum up to the match. The match is a guaranteed return nothing else can match. If you can open a Roth IRA, do it. The system has structural problems. Participating in it is still the correct individual decision. See order of operations, the 401k match optimizer, and am I on track.
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Last updated 2026-04-14. Not tax or legal advice.
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