Group 1 - The "One Big Beautiful Bill Act" has introduced significant changes to tax laws, particularly affecting high-income earners and those nearing retirement, necessitating an update to tax strategies [2] - Individuals should consider reviewing their payroll elections for 2026 to reduce taxable income, utilizing tools like the IRS paycheck checkup to optimize withholding [3] - Workers aged 60–63 can contribute up to $35,750 to a 401(k) until they turn 64, after which regular limits apply; starting in 2026, catch-up contributions must be Roth, offering tax-free benefits later [3] Group 2 - The SALT deduction cap has been raised from $10,000 to $40,000 for 2026 through 2029, providing relief for taxpayers in high-tax states [4] - For married individuals filing separately, the SALT deduction cap is set at $20,000; this change offers a meaningful tax reduction strategy for upper middle-class households [4] - The additional SALT deduction phases out for modified adjusted gross incomes exceeding $500,000, effectively reverting to the old cap at around $600,000, targeting the professional class rather than billionaires [5]