80% of workers make this 401(k) mistake when they retire
Other tax repercussions crop up down the road because balances build up, and RMDs get complicated
Finance & markets
80% of workers make this 401(k) mistake when they retire
Policy desk, National Trade News (2026-10-31): 80% of workers make this 401(k) mistake when they retire Other tax repercussions crop up down the road because balances build up, and RMDs get complicated… Primary source: original at MarketWatch (marketwatch.com).