How to Invest $100,000

At $100,000 the fee is the largest number you control and an advisor becomes a real option worth pricing.

A hundred thousand dollars is the first amount at which the cost of advice and the value of advice are both large enough to take seriously. It is also the amount at which the largest number in your plan stops being the market, which you do not control, and becomes the fee, which you do. One percent of $100,000 is $1,000 a year, charged in good years and bad. That is the decision this guide is mostly about, and it is worth more attention than the fund selection that usually gets it.

What actually changes at $100,000

Three things, and only the first is about investing. The fee becomes the dominant controllable cost. An adviser becomes available to you, because this is where minimums start to be met, which turns a theoretical option into a real one to price. And the things that have nothing to do with returns — beneficiaries, concentration, what happens if you are hit by a bus — start to matter more than the last tenth of a percent of allocation.

That last point is the one most people at this level get wrong, because it is not satisfying. Optimising the portfolio feels like progress. Naming a beneficiary does not. One of them is worth far more.

• 1% a year on $100,000 is $1,000. Over twenty years of contributions the compounded difference is a large multiple of that, and none of it depends on market performance.
• Most percentage-fee advisers set minimums between $100,000 and $500,000, so this is the rung where the door opens.
• The risks that actually undo six-figure portfolios are concentration, forced selling and missing paperwork, not slightly suboptimal fund choices.

Step 1: Price the fee before you discuss anything else

Every conversation about advice should start with the same arithmetic, done in dollars. Percentages are designed to sound small and they succeed. Convert first.

Then ask what the fee is buying, and be specific. Portfolio construction and rebalancing are worth something and are also available for a quarter of a percent from an automated service. Tax planning, estate coordination, and talking somebody out of selling at the bottom are worth considerably more and are the things a percentage fee is actually for.

• A 1% adviser: about $1,000 a year at this balance, rising as the balance rises.
• A 0.25% automated portfolio: about $250 a year, for allocation, rebalancing and usually tax-loss harvesting.
• Index funds in your own account: often under $50 a year in total, for the holdings themselves.
• A flat-fee or hourly adviser: a known number, unconnected to your balance, for the specific questions you actually have.

Step 2: Decide who manages it, with the numbers in front of you

This is the decision the whole guide has been building to, and there is no universally right answer — there is only the right answer for what you need and what it costs. What the questions below do is stop the comparison happening in percentages.

• Do it yourself if your situation is straightforward, you already hold a small number of index funds, and you have been through at least one market fall without selling.
• Use an automated portfolio if you want allocation, rebalancing and harvesting handled, and your questions are about the portfolio rather than about your life.
• Pay a human if your questions are about tax, a business, property, an inheritance, a divorce, equity compensation or a retirement date — the things a portfolio cannot answer and that cost far more than a fee when handled badly.

Step 3: Find the concentration you have not noticed

At six figures, the single most likely way to lose a damaging amount is not a bad fund. It is having far more riding on one thing than you realise, usually because it accumulated rather than because you chose it.

The most common version is employer stock, which is the worst kind of concentration because your income and your savings then depend on the same company being fine. Whatever the tax cost of unwinding it, price that against the cost of being wrong.

• Employer shares from a stock purchase plan or vested grants, quietly grown into a large share of the total.
• A single stock that did well and has never been trimmed, now several times its original weight.
• Several funds that look different and hold the same fifty large companies underneath.
• Property equity counted as diversification when it is one asset in one place, often financed.

Step 4: The paperwork that outranks the portfolio

None of this improves returns and all of it matters more than the last tenth of a percent of allocation. It is also, at this level, usually undone.

• Name a beneficiary on every account. Beneficiary designations override a will, and an unnamed account goes through probate regardless of what any document says.
• Check the beneficiaries you named years ago still reflect your life. This is a leading cause of money going somewhere nobody intended.
• Write down where everything is, and tell one person who would need to know. A list of institutions is enough.
• Confirm what is covered if a brokerage fails. Protection limits apply per institution and are worth understanding before, not after.
• Keep the emergency fund in cash even now. A six-figure portfolio does not remove the need for money you can reach on a Tuesday.

The mistakes that cost the most at this size

• Agreeing to a percentage fee without ever converting it to dollars, and without asking what it buys that a cheaper option does not.
• Holding a large employer position because selling means tax, until the position falls further than the tax would have cost.
• Adding complexity — more funds, more accounts, alternatives — because the balance now feels like it deserves complexity. It does not.
• Leaving beneficiaries unnamed or years out of date while spending the afternoon on fund selection.
• Moving to cash during a fall. At $100,000 this is the single most expensive thing on this list, and the only one that is purely behavioural.

Key Takeaways

• At $100,000 the fee is the largest number you control. Convert every percentage into dollars before agreeing to it.
• A percentage fee is worth paying for tax, estate and behavioural help. It is poor value for portfolio construction alone, which costs a quarter of a percent elsewhere.
• Concentration risk is the likeliest way to lose a damaging amount at this level, and employer stock is the most common form of it.
• Beneficiary designations override a will, and they are usually the thing that has not been done.
• Complexity should have to justify itself. A larger balance is not a reason for a more complicated portfolio.