Tax Strategy
Roth vs. Traditional, tax-loss harvesting, the tax-advantaged trifecta, HSA investing, and how to pay less tax across a full lifetime of earning and spending.
24 guides in this topic
Strategy17 min readCalculator
How to Sell Stocks, Mutual Funds, and ETFs Tax-Efficiently: SpecID and Tax Lots
Your broker's default cost-basis method silently picks your taxable gain. Learn SpecID, FIFO vs HIFO vs average cost vs MinTax, and how lot selection cuts the tax when you sell or rebalance.
Strategy15 min readCalculator
If Dimensional Gets Sold, Should Factor Investors Care? The Hidden Risk of Bespoke ETFs in Taxable Accounts
A rumored DFA sale is no reason to panic-sell, but it exposes a risk DIY investors miss: fund-sponsor and strategy-drift risk, plus the tax lock-in of bespoke factor ETFs in taxable accounts.
Strategy14 min readCalculator
Funding the Down Payment: Gift, Family Loan, or Sell the Stock?
Where the down-payment cash comes from changes the tax and liquidity cost more than the monthly payment. Compare selling appreciated stock, a family gift, and a family loan for a high-income tech buyer.
Strategy16 min readCalculator
Should Grandparents Open Their Own 529? State Tax Benefits, FAFSA Rules, and a Decision Framework
Should grandparents open their own 529 or fund a parent's plan? See the state tax math, new FAFSA rules, gift tax limits, and a multi-state case study.
Strategy15 min readCalculator
Mega Backdoor Roth Before 59½: What Comes Out, What's Taxed, What's Penalized
MBDR dollars before 59½ live in three places: after-tax 401(k), Roth 401(k), Roth IRA. Each has its own ordering rules, 5-year clocks, and penalty math. Walk through your own numbers with the simulator.
Strategy15 min readCalculator
When to Sell a Winning Stock: The Question Without a Good Answer
Buying is the easy half. Selling a lucky winner means navigating taxes, anchoring, regret, and concentration. What the evidence supports.
Strategy15 min readCalculator
Donate Appreciated Stock or Use a DAF? The Tax Math and Where the Strategy Is Oversold
Donating appreciated stock is tax-efficient. A DAF can be a useful wrapper. Neither makes charity free. The mechanics, the 2026 OBBB changes (0.5% AGI floor, 35% deduction cap, $1k/$2k non-itemizer cash), and an after-tax cost calculator.
Strategy14 min readCalculator
AVGV Review: A One-Ticker Global Value Tilt for DIY Investors
AVGV bundles a global value, profitability, and smaller-cap tilt into one ETF that rebalances itself. A deep-dive review and a calculator comparing AVGV to a DIY basket of Avantis ETFs.
Strategy16 min readCalculator
Do You Actually Need Direct Indexing?
Direct indexing is heavily marketed to high earners, but ETF tax-loss harvesting already captures most of the value for many. A skeptical primer comparing ETF TLH, long-only DI, and long/short TALS, with an interactive decay visualizer.
Strategy14 min readCalculator
Cash vs Equity Election: When Your Employer Lets You Convert Future Awards
Some employers now let you swap future equity for fixed cash on the same vesting schedule. It is a forward sale of single-employer exposure, not cash-now-vs-stock-later. With an interactive decision tool.
Strategy13 min readCalculator
How Often Should You Rebalance Your Portfolio? An Evidence-Based Answer
Vanguard's 1926-2009 data shows monthly, quarterly, and annual rebalancing produce near-identical risk-adjusted returns. The real questions are bands, cash flow, and taxes. With an interactive checker.
Strategy7 min read
Sell Your RSUs at Vest: The Cash-Bonus Test for Tech Workers
When RSUs vest, the rational default is sell-all and diversify. Sell-to-cover and deposit-cash are concentration bets, not tax strategies. The cash-bonus test, side-by-side comparison, and 10b5-1 exception.
Strategy13 min readCalculator
Tax-Aware Long-Short: Real Tax Alpha or Complex Marketing?
TALS for HNW taxable investors: AQR's loss-capacity research, the gain-deferral surprise, Section 1259 caveat, SMA pass-through, and a hurdle calculator that refuses to estimate alpha.
Strategy17 min readCalculator
Covered Calls Are Not Free Income: What XYLD, QYLD, JEPI, and JEPQ Actually Cost You
Covered-call ETFs distribute 8-12% per year while the underlying strategy earns far less. Here's the academic evidence, the tax drag, and who they actually fit.
Strategy18 min readCalculator
The Best Inflation Hedges Are Boring: Not Stocks, Gold, or Bitcoin
Keeping up with inflation long-term is not hedging inflation when you need it. The real answer is explicit CPI-linked assets (I Bonds and TIPS) plus fixed-rate debt as the underrated liability-side hedge. Includes an after-tax real yield calculator.
Strategy14 min readCalculator
RSU Withholding Calculator: What Federal Rate Should You Choose at Each Vest?
Your RSUs are not taxed at 22%. They are often withheld at 22%. Use this per-vest calculator to project your real federal tax, pick the right election, and check IRS safe harbor before April.
Strategy14 min readCalculator
The HSA Investing Strategy: Triple Tax Advantage for High Earners
Only 15% of HSA holders invest their funds. The rest are leaving the most tax-advantaged account in America sitting in cash. Here is the receipt hoarding strategy, the math, and who it is (and is not) for.
Strategy16 min readCalculator
The Tax-Advantaged Trifecta: Mega Backdoor Roth, Backdoor Roth IRA, and HSA
Single-earner married households can save $95,750 in tax-advantaged accounts in 2026; with two 401(k)s + Mega Backdoor access, the ceiling rises to $167,750. The math, the order of operations, and a calculator that handles single, dual-earner, and asymmetric cases.
Strategy18 min read
Tax-Aware Decumulation: A Guide for Self-Directed High Earners
For high earners, early retirement is not a 4% rule problem. It is a multi-decade tax-management challenge across income brackets, NIIT, IRMAA, ACA subsidies, and Roth conversions. Here is the framework.
Strategy16 min readCalculator
Roth vs. Traditional 401(k) and IRA: The Tax Math That Actually Matters
The answer depends on one number: your break-even retirement tax rate. Use the interactive calculator to find yours, see 2026 brackets, and learn why tax diversification matters more than picking the 'right' account.
Strategy16 min read
529 vs. Taxable Brokerage: Which Account Wins for College Savings?
A 529 plan is not always the best choice. See the after-tax math for three families at different tax brackets and time horizons, learn the nine drivers that determine the winner, and find out when a taxable brokerage actually comes out ahead.
Strategy14 min readCalculator
Tax-Loss Harvesting: How to Turn Portfolio Losses Into Tax Savings
Learn how tax-loss harvesting works, from wash sale rules and capital loss netting to replacement fund strategies. See a worked example of the tax benefit calculation and understand when TLH is worth the effort.
Strategy12 min readCalculator
RSU Tax Strategy: What Engineers Get Wrong About Equity Compensation
RSU vests are taxable income that can push you into a higher bracket. Learn the sell-vs-hold framework, how to use tax-loss harvesting when diversifying, and the common mistakes engineers make with equity comp.
Strategy13 min read
Roth Conversion Ladder: A Step-by-Step Strategy
How early retirees use Roth conversion ladders to access retirement funds penalty-free while minimizing lifetime taxes.
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