The Moment
You just received a $100,000+ bonus.
This is not a bonus — it is a liquidity event. The decisions you make in the next 30 days will affect your net worth trajectory for years. At this level, the cost of suboptimal tax strategy alone can exceed $10,000. The priority is no longer "debt vs invest" — it is assembling the right team and executing a coordinated plan.
The 30-Day Playbook
Week 1 — Assemble your team You need two professionals: a CPA (not a tax preparer — a CPA who handles high-income W-2 earners) and a fee-only fiduciary financial advisor. The CPA handles tax strategy; the advisor handles investment and estate planning. Together, they coordinate the plan.
Week 2 — Tax strategy Your CPA should model your full-year tax liability and determine: (1) whether your withholding is sufficient, (2) whether you need to make estimated payments, (3) which tax-advantaged vehicles to max, and (4) whether charitable giving (donor-advised fund) reduces your effective rate.
Week 3 — Deploy to tax-advantaged accounts Max your 401(k), backdoor Roth IRA, HSA, and mega backdoor Roth if available. This can shelter $60,000-$70,000 from current taxation.
Week 4 — Deploy remainder to taxable portfolio The remaining funds go into a taxable brokerage with tax-efficient holdings: total market index funds, municipal bonds if in a high state tax bracket, and a plan for ongoing tax-loss harvesting.
Run Your Numbers
Enter your financial details below for a starting allocation framework.
$100,000+ Bonus Allocator
Advanced Considerations
Charitable giving: A donor-advised fund (DAF) lets you take the tax deduction in the high-income bonus year and distribute the grants to charities over time. If you plan to give $10,000+ to charity, a DAF is almost always more tax-efficient than direct donations.
Estate planning: If your net worth is approaching $1 million+, ensure your beneficiaries are updated on all accounts, you have a basic estate plan (will, power of attorney, healthcare directive), and your life insurance coverage matches your family's needs.
Concentration risk: If your bonus is in company stock (RSUs), you may be overexposed to a single company. Consider a diversification plan that balances tax efficiency with risk reduction.
What to explore next
- →How do I find a fee-only fiduciary financial advisor?
- →What is a donor-advised fund and how does it work?
- →How do I diversify concentrated stock positions?
Frequently Asked Questions
How much will I owe in taxes on a $100,000 bonus?
Federal withholding is 22% (supplemental rate), but your actual marginal rate is likely 32-37% at this income level. Expect to owe an additional 10-15% at tax time if your employer only withheld at the 22% supplemental rate. State taxes add 0-13% depending on your state. Set aside 35-50% of the gross bonus for total taxes.
Should I pay off my mortgage with a $100,000 bonus?
Almost never. Mortgage rates are low relative to expected investment returns, and mortgage interest may be tax-deductible. The opportunity cost of paying off a 6% mortgage when you could invest at a historically expected 10% return is significant. The only exception is if eliminating the mortgage payment dramatically reduces your financial stress and improves your quality of life.