Observed arrival · 2026-09-22
RetireTaxGuide — A retirement planner for the tax cliffs
A browser-based retirement planner models federal taxes, Roth conversions, ACA subsidies, IRMAA, survivor income, Monte Carlo outcomes, and historical scenarios.
- For
- People planning taxes and withdrawals in retirement
- Worth noticing
- The planner models widowhood, ACA subsidy loss, IRMAA tiers, and Social Security taxation together.
Field notes
The site organizes retirement decisions around marginal thresholds, including Medicare IRMAA tiers, ACA premium-tax-credit eligibility, capital-gains brackets, and Social Security taxation. Its examples show how the same $92,000 income can produce different federal tax after a filing-status change. The simulation section describes both parametric Monte Carlo and 12-month block-bootstrap sampling from the Shiller record, with seeded runs intended to keep verdicts reproducible.
Observed signals
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Editorial observations of this landing page, not a rating.
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