For 2025 I want to ensure I get close to (but NOT OVER) the $212 MAGI number so my Medicare premiums don't rise. How reliable is TT's 2025 estimation worksheet for this? in Get your taxes done using TurboTax
Are Social Security and Medicare tax withholding amounts added when calculating "Federal Income Tax withheld year-to-date" for an updated W4 calculation? in Retirement tax questions