How to Invest an Inheritance Wisely

The First 90 Days: Do Nothing Rash

The most important advice for anyone who has just received an inheritance is to slow down. Park the money in a high-yield savings account or money market fund and give yourself at least 30 to 90 days before making any investment decisions. Grief, excitement, guilt, and pressure from family members can all lead to poor financial choices.

During this cooling-off period, resist the urge to make large purchases, lend money to relatives, or invest in speculative opportunities that friends or advisors pitch to you. Studies show that roughly 70 percent of families lose inherited wealth by the second generation and 90 percent by the third. The primary reason is impulsive decisions made in the first year after receiving the money.

Understanding the Tax Implications

Inherited assets receive a stepped-up cost basis, which is one of the most significant tax advantages in the US tax code. If your parent bought stock at $10 per share and it was worth $100 per share when they passed away, your cost basis is $100, not $10. This means you can sell immediately with little to no capital gains tax.

Inherited IRAs and 401(k)s have different rules. Non-spouse beneficiaries must withdraw the entire balance within 10 years under the SECURE Act. This creates a tax planning challenge because those withdrawals are taxed as ordinary income. Strategically spreading withdrawals across multiple tax years can save thousands in taxes compared to withdrawing everything at once.

Lump Sum vs. Dollar-Cost Averaging

With a large inheritance, you face the classic question of whether to invest everything at once or spread it out over time. Research from Vanguard shows that lump-sum investing outperforms dollar-cost averaging approximately two-thirds of the time because markets tend to go up over time. Every month you wait to invest is a month of missed potential growth.

However, the psychological aspect matters. If investing a $200,000 inheritance all at once and watching it drop 15 percent in a correction would cause you to panic sell, then dollar-cost averaging over 6 to 12 months is the better choice for you personally. The worst outcome is investing everything, panicking during a downturn, and selling at a loss. A systematic investment plan removes emotion from the process.

Building Your Inherited Portfolio

Your age and existing financial situation should determine how you invest an inheritance. If you have high-interest debt, paying it off first provides a guaranteed return equal to the interest rate. If you lack an emergency fund, establish one covering six months of expenses. Only then should you invest the remainder.

For the invested portion, a broadly diversified ETF portfolio is the wisest approach. A three-fund portfolio of VTI for US stocks, VXUS for international stocks, and BND for bonds provides instant diversification across thousands of companies and bonds worldwide. Adjust the stock-to-bond ratio based on your age: subtract your age from 110 to get your approximate stock allocation percentage.

Protecting and Growing the Inheritance Long Term

An inheritance is a one-time gift that represents someone else's lifetime of saving and sacrifice. Honor that legacy by investing it for long-term growth rather than spending it on depreciating assets. Set a rule: you can spend a small percentage, perhaps 5 to 10 percent, on something meaningful, but the rest gets invested for your future.

Rebalance your portfolio annually and avoid checking your account balance daily. Over a 20-year period, a $200,000 inheritance invested in a diversified ETF portfolio growing at 8 percent annually becomes roughly $933,000. At 10 percent, it grows to $1.35 million. Time and compound growth are the most powerful forces in investing, and an inheritance gives you a significant head start.

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