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Quick, decision-oriented head-to-heads for DIY investors. Each one shows the metrics that matter, who should pick which, and a calculator to size the choice, then links to the full reasoning.

ETFs

VTI vs VOO

VTI or VOO? Total U.S. market vs the S&P 500, compared on holdings, overlap, cost, and the decision that actually matters. A quick, evidence-based answer.

Accounts

Roth vs Traditional

Roth or traditional? Pay tax now or later. The break-even on your current vs retirement tax rate, RMDs, 2026 limits, and who should pick which, with a calculator.

Strategy

Lump Sum vs DCA

Invest it all at once or spread it out? 98 years of S&P 500 data say lump sum wins 67% of the time; DCA is behavioral insurance. The math and the calculator.

ETFs

AVUV vs AVDV

AVUV or AVDV? U.S. vs international small-cap value from Avantis. Same method, different geography. Why they complement rather than compete, with an overlap tool.

Cash

SGOV vs T-Bills vs HYSA

Where to park cash? SGOV, direct T-bills, and a high-yield savings account compared on after-tax yield, liquidity, and state-tax treatment, with a cash optimizer.

Accounts

529 vs Taxable Brokerage

529 or a taxable brokerage for college? Tax-free growth and a state deduction vs full flexibility. When the 529 wins decisively and when flexibility is worth more.

ETFs

AVGV vs VT

AVGV or VT? A built-in global value tilt vs the total world market in one ticker. Same global reach, different bet, and a 0.20% fee gap. Who should pick which.

ETFs

VT vs VTI + VXUS

One-fund VT or the two-fund VTI + VXUS combo? Same global exposure. When the two-fund split is worth it for cost, control, and the foreign tax credit in taxable.

ETFs

AVUV vs VBR

AVUV or VBR for small-cap value? A refined active value + profitability screen vs cheap index beta. Whether the extra ~18 basis points buys you anything.

Bonds

BND vs TIPS

BND or TIPS? Nominal total bonds hedge growth scares; TIPS hedge inflation surprises. They solve different problems, and TIPS belong in tax-advantaged accounts.