When my wife and I opened our daughter’s 529 plan, it felt like one of those “we’re officially parents now” moments.

I’ve helped open countless accounts for clients, but this time felt different. I was now in the same position so many parents find themselves in, creating a fund tied to a future we could only partially see, hoping to get it right from the start.

We had already done the things you’d expect. Retirement savings were on track, our cash reserves were solid, and our income provided us with room to be proactive. So naturally, the conversation drifted toward how much and how quickly we should invest in the 529.

The first instinct was to max it out. But I've seen what happens when a good tool gets used without context, so we slowed down and came up with a more balanced approach instead.

The 529 Is a Great Tool (For the Right Job)

A 529 plan earns its reputation. Contributions grow tax-deferred, qualified withdrawals come out tax-free, and many states offer a deduction on contributions. For families who want a dedicated, structured way to save for education costs, it does exactly what it promises.

But there are important questions worth asking before jumping in: how much should go in, and what are you implicitly trading away with every dollar you contribute? That trade-off looks different depending on your income, your estate planning goals, and how certain you are about your child's educational path.

The biggest thing I hear from parents today is what education will even look like in 18 years. With AI advancing as fast as it is and the ongoing debate around the value of a traditional four-year degree, it's hard to imagine the system looking anything like it does today.

Maybe skilled trades and specialized programs become more normalized. Maybe technology makes education dramatically more affordable. Or maybe elite schools become even more differentiated and expensive.

None of us fully knows yet. Which is exactly why flexibility matters so much when you're building a plan around it.

529 Plan Disadvantages

There are a few structural realities worth understanding before you set up automatic contributions and forget about them.

• The money is committed to a single purpose. Once funds go into a 529, they are designated for qualified education expenses. If your chooses a trade, or takes a path you didn't anticipate, your options narrow considerably.
  Under current law, you can roll up to $35,000 into a Roth IRA over time, but that comes with restrictions and took an act of Congress (literally) to make possible. Non-qualified withdrawals are subject to income tax plus a 10% penalty on earnings. It's a real cost worth factoring in.

• There’s also the risk of overfunding. The average cost of a four-year private university today ranges from $60,000 to $85,000 per year. Even at a projected 5% annual inflation rate, the total cost for one child attending a private college falls within the $400,000 to $500,000 range.
  Families who superfund (front-loading up to five years' worth of contributions in a single year) aggressively early can end up with more in the account than they can practically use for education.

• Investment flexibility is limited within the account. Inside a 529, you are working with a smaller menu of investments and might have fewer chances to change allocations. For many families, that is a perfectly workable constraint. For those managing a more sophisticated investment strategy across their full portfolio, it’s worth factoring in.

The 529 does one job very well, but it’s not designed to pivot if priorities change. In a financial life that is still evolving, that constraint is worth consideration.

529 vs Brokerage Account: Understanding the Real Trade-Off

While a taxable brokerage account doesn’t come with a tax shelter, it does offer optionality. The capital can fund education if needed, but it can just as easily support a business opportunity, a lifestyle change, an unexpected expense, or something you haven’t even anticipated yet. That flexibility has real value, particularly for high earners whose goals and priorities tend to evolve.

It can also be repositioned without penalty and passed on with a step-up in cost basis, which is a meaningful estate-planning consideration.

The tax drag on a brokerage account is significant, particularly at higher income levels where long-term capital gains rates hit 20% plus the 3.8% net investment income tax. But so is the cost of over-committing capital to a vehicle with a single exit.

When you run a realistic projection, factoring in realistic education costs, expected portfolio returns, your marginal tax rates, and your broader estate plan, the gap between a 529 and a brokerage account is often more narrow than you might think.

In some scenarios, the brokerage account comes out ahead. In others, a well-sized 529 paired with a brokerage account is the right answer. Having money in a taxable account gives you flexibility that a 529 simply can't offer.

We never fully know where life takes us. A second home. A period of job loss. A healthcare expense that comes out of nowhere. That optionality is often worth more than the potential tax savings.

A More Balanced Approach

Every family has different liquidity needs, and the right allocation depends on your specific financial situation. But the process is consistent: run a projection based on realistic education costs, consider how much flexibility you need elsewhere, and size the 529 contribution accordingly rather than defaulting to as much as possible.

Wanting to use tax-advantaged accounts is usually a smart instinct. Problems tend to arise when people fund them without stepping back to consider how each account fits into the rest of their financial picture.

How My Family Thought About It

Within a year of having our daughter, we purchased a home, which significantly reduced a large portion of our taxable savings. Because of that, we wanted to rebuild those more flexible accounts before committing heavily to one that would remain relatively illiquid for another 16 years.

We decided to initially fund roughly one-quarter of her projected education costs through the 529, while continuing to grow our taxable accounts alongside it. Those assets could still ultimately be used for education if needed, and we knew we could always increase 529 contributions in future years once we felt more comfortable with the overall balance.

One mistake I see families make is sacrificing their own retirement security to fully fund their child's education. I understand the pull behind that. But your investment accounts are meant to support the rest of your life, and sometimes you don't fully control when retirement happens.

Health issues, layoffs, burnout, or family circumstances can force that decision earlier than expected. Keeping your options open is often the more sustainable long-term move.

How Servet Wealth Can Help

At Servet Wealth Management, we help families think through decisions like this in the context of their full financial picture, weighing the trade-offs between tax efficiency and flexibility.

Stay tuned. We're working on a future post that compares the new Trump savings account with the 529, breaking down which option makes more sense depending on your situation.

To see if we can help you build an education funding strategy that fits your goals, click here to schedule a conversation today.