
The HSA is the only mainstream US account with three layers of tax protection. Why Roth IRAs, traditional 401(k)s, and 529 plans don’t count, what the 2026 HSA contribution limits are, and the investment-HSA strategy that turns it into a stealth retirement account.

The US Treasury raised the Series I Savings Bond composite rate to 4.26% for the May to October 2026 window, with the fixed-rate component holding at 0.90% locked for the bond’s 30-year life. We compare I-bonds against the best high-yield savings accounts, CDs, T-bills and TIPS, and set out who actually benefits at the current…

A Solo 401(k) lets the self-employed contribute up to $72,000 in 2026 ($80,000 if you’re 50+, $83,250 if you’re 60-63), well past what SEP IRAs and SIMPLE IRAs allow. This guide covers eligibility, providers, setup, contribution strategy, mega backdoor Roth, and the SECURE 2.0 Roth catch-up rule with the sole-proprietor carve-out most coverage misses.

The choice between a Roth IRA and a Traditional IRA can swing your lifetime retirement wealth by six figures. For 2026, the IRS bumped the IRA contribution limit to $7,500 ($8,600 with the 50+ catch-up), and the Roth income phase-outs moved up too: $153,000-$168,000 for single filers, $242,000-$252,000 for joint filers. This guide walks through…
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