Better retirements start with clarity
Practical explainers, templates, and frameworks for U.S. households planning the next chapter. Everything we publish is jargon-light and research-backed.
Educational content only — not financial advice. Consult a qualified professional before making decisions.
Browse by topic
Choose a theme to narrow the playbook.
Posts tagged 401(k) Plans
28 articles

Open Enrollment Checklist: Decisions That Shape Retirement
Most people treat open enrollment like a chore to finish quickly. But buried inside that benefits portal are decisions that will ripple through your retirement finances for decades. This guide walks through every item on your open enrollment checklist with retirement in mind, not just next year's premiums.
fidser.
Are You Losing Employer Match by Front-Loading Your 401(k)?
Maxing out your 401(k) early in the year feels like a power move. But depending on how your employer calculates its match, hitting the IRS limit before December could mean walking away from hundreds or even thousands of dollars in free contributions. Here is what high savers need to know about the per-paycheck match mechanic before the next contribution cycle begins.
fidser.
What Percentage of Income Should You Save for Retirement?
You've probably heard that saving 15% of your income is the magic number for retirement. But where did that figure come from, and does it actually apply to your situation? Understanding the assumptions baked into common savings rate guidelines can help you figure out whether you're on track or whether you need a different target entirely.
fidser.
Am I Too Late to Start at 45? What the Math Says
If you're 45 and just getting serious about retirement, you've probably wondered whether the window has already closed. The honest answer is that it hasn't, but it does require a clear-eyed look at the numbers. Here's what two decades of consistent saving can actually build, and why 45 is a more powerful starting point than most people realize.
fidser.
Should You Pause Retirement Contributions to Pay Off Debt?
Carrying debt while trying to save for retirement can feel like running on a treadmill with the belt going in opposite directions. Before you pause your 401(k) contributions to attack your balances, there is a framework that makes the decision far less agonizing. It comes down to interest rates, two firm exceptions, and one very human factor that the spreadsheets tend to ignore.
fidser.
Where to Invest After Maxing Out Your 401(k)
Maxing out your 401(k) is a genuine financial milestone, but the question that follows is one many high savers are not prepared for: now what? The answer depends on more than just tax efficiency. It depends on when you plan to retire, what accounts you can actually access, and how you want your savings to be taxed decades from now.
fidser.
401(k) Loans: What They Cost You in Growth
Your 401(k) balance can feel like a tempting lifeline when a financial crunch hits. But borrowing from it is more complicated than it looks, and the price you pay in lost growth is rarely printed on the application. Here is what you need to know before you sign anything.
fidser.
Should You Consolidate Your Retirement Accounts?
If you have spent a career moving between employers, there is a good chance your retirement savings are scattered across old 401(k)s, rollover IRAs, and accounts you barely remember opening. Consolidating those accounts can feel like the obvious fix, but the decision is more nuanced than it looks. This walkthrough lays out a clear decision sequence so you can weigh the genuine benefits against the reasons that sometimes make keeping accounts separate the smarter path.
fidser.
401(k) Vesting Schedules: How Much Is Actually Yours?
Your employer says they match your 401(k) contributions, but did you know that money might not fully belong to you yet? Vesting schedules determine how much of your employer's contributions you actually get to keep, and the answer can change dramatically depending on when you leave. Understanding the rules before you make a career move could save you thousands of dollars.
fidser.
What Your 401(k) Fees Are Really Costing You
Most people check their 401(k) balance regularly, but almost nobody checks what it costs to own it. Hidden fees are silently compounding in reverse inside your retirement account, and over 25 years, even a difference of one percentage point can cost you more than you might expect. Here is how to find every fee layer and understand exactly what it means for your retirement.
fidser.
How to Read Your 401(k) Statement: What Each Number Means
That quarterly 401(k) statement sitting in your inbox or your filing cabinet contains some of the most important numbers in your financial life. The trouble is, most of those numbers come without a translation guide. This post walks you through every section, line by line, so you know exactly what matters and what you can safely ignore.
fidser.
Beneficiary Designations: The Form That Overrides Your Will
Most people spend hours crafting a will, assuming it controls who inherits their retirement savings. It does not. A beneficiary designation form filed years ago almost always takes legal precedence, regardless of what your will says. Here is how to find out who is actually set to inherit your accounts, and what to do if the answer surprises you.
fidser.
How to Roll Over a 401(k) Without Triggering a Tax Bill
Moving a 401(k) to a new account sounds straightforward, until a mandatory tax withholding quietly reduces your check and a 60-day clock starts ticking. Understanding the difference between a direct and indirect rollover can be the difference between a seamless transfer and an unexpected tax bill. Here is everything you need to know before you move a single dollar.
fidser.
What Happens to Your 401(k) When You Leave a Job
Changing jobs is exciting, stressful, and full of paperwork. But one decision quietly sitting in the background could cost you tens of thousands of dollars if you get it wrong: what to do with your old 401(k). There is no single right answer, but there is definitely one option that can hurt you badly, and understanding all four choices clearly makes the difference between a smart move and an expensive mistake.
fidser.
How to Find Old 401(k)s You Left Behind
Millions of Americans have retirement savings quietly sitting in forgotten 401(k) accounts from jobs they left years ago. If you have changed employers even once, there is a real chance some of your money is still out there waiting to be found. Here is exactly how to track it down.
fidser.
Retirement Tax Diversification Checkup: Three Buckets
Most retirement savers focus on how much they're saving, but fewer think carefully about where those savings live. The account types you hold, and in what proportions, can have a significant impact on how much of your money you actually keep after taxes in retirement. This guide walks through the three tax buckets, how to assess your current mix, and why strategic balance matters.
fidser.
Roth vs Traditional 401(k): How to Decide in 2026
Every paycheck, millions of American workers face the same quiet question: Roth or traditional? The answer hinges on a prediction about your future tax rate, and getting it right could mean tens of thousands of dollars in retirement. This guide breaks down the decision by life stage, covers the new Roth catch-up rule, and makes the case for why tax diversification might be the smartest hedge of all.
fidser.
Backdoor & Mega Backdoor Roth 2026: Step-by-Step Guide
If your income puts direct Roth IRA contributions out of reach, two legal strategies could still open the door to tax-free retirement growth. This guide walks through both the backdoor Roth IRA and the mega backdoor Roth, covering 2026 limits, the pro-rata rule pitfall, and what legislative uncertainty means for your planning.
fidser.
Target-Date Funds in Retirement: Should You Keep Them?
You spent decades watching your target-date fund quietly do its job. But now that retirement is here, or nearly here, a fair question surfaces: is this fund still the right fit? The answer depends on details most investors have never had to think about before.
fidser.
The Still-Working Exception: Delay RMDs Past Age 73
Most people know that Required Minimum Distributions kick in at age 73, but fewer realize there's a lesser-known exception that could let you delay those withdrawals if you're still on the job. The still-working exception is one of the more overlooked rules in retirement planning, and understanding it could change how you think about your 401(k) while you're still earning a paycheck. Here's what it actually covers, what it doesn't, and why the fine print really matters.
fidser.
The New Roth Catch-Up Rule: What High Earners Need to Know in 2026
Starting in 2026, high-earning employees aged 50 and older will lose the option to make pre-tax catch-up contributions to their workplace retirement plans. Under a SECURE 2.0 Act provision, if your wages exceeded a specific threshold in the prior year, every catch-up dollar must now go into a Roth account. Here is what that shift means for your paycheck, your tax bill, and your long-term retirement picture.
fidser.
Retirement Savings Benchmarks by Age: Are You on Track?
You've probably seen the headlines: "Have 3x your salary saved by 40." But what does that actually mean for you, and what if you're behind? Before you panic or celebrate, it helps to understand where those numbers come from, why they're rough guideposts rather than hard rules, and how to build a target that actually reflects your life.
fidser.
The FIRE Tax Playbook: Access Retirement Funds Before 59½
One of the biggest surprises waiting for early retirees is the 10% penalty tax that sits between them and their retirement accounts before age 59½. But here is the thing: the IRS has carved out several legal pathways around that penalty, and FIRE planners who understand them can save tens of thousands of dollars in unnecessary taxes and fees. This guide walks through four of the most widely discussed strategies, with calculator scenarios to help you see how the numbers can work.
fidser.
The Super Catch-Up: Ages 60-63 Can Now Add $11,250 Extra to Their 401(k)
If you are between the ages of 60 and 63, a new federal law quietly handed you one of the most powerful retirement savings tools in decades. Thanks to SECURE 2.0, you may be eligible to contribute significantly more to your 401(k) than the standard limits allow. Here is what the super catch-up contribution is, how the math works, and what factors are worth understanding before your next enrollment window.
fidser.
Retirement Income Planner: Calculate Your Total Income
Most people planning for retirement focus on one number: their 401(k) balance. But your real retirement income picture is made up of many streams working together, and when you add them all up, the total is often far more encouraging than any single account suggests.This guide walks you through a simple worksheet approach to calculating your complete retirement income from every source, so you can see the full picture clearly.
fidser.
Free 401(k) Calculator: How Employer Match Compounds Into Real Wealth
What if the single most powerful move in your retirement plan costs you nothing extra? Employer match is one of the most significant wealth-building opportunities available to American workers, yet many people leave it fully or partially unclaimed. Run the numbers with a free 401(k) calculator and the results can be genuinely eye-opening.
fidser.
401(k) to IRA Rollover: A Step-by-Step Guide to Moving Your Money
Switching jobs or retiring with a 401(k) balance? You have important decisions to make about that money, and the wrong move could cost you thousands in taxes and penalties. Here's how to execute a rollover without losing a dime.
fidser.
401(k) vs IRA vs Roth: Where Your Retirement Money Lives
You've heard the terms 401(k), IRA, and Roth thrown around for years. But do you actually know what they ARE? Not which one is "better," but what these accounts fundamentally do with your money? Let's clear up the confusion once and for all.
fidser.