Some Americans face a costly surprise this tax season: tiny refunds or bigger bills

Andy Phillips, director with The Tax Institute at H&R Block, emphasizes that taxpayers should update their Form W-4 information as soon as possible.

Gil Charney, director of The Tax Institute at H&R Block, explains that a surviving spouse can roll an inherited 401(k) into their own 401(k) plan.

The Tax Institute's executive director, Kathy Pickering, discusses claiming losses from a federally declared disaster area.

TTI lead tax research analyst Nathan Rigney addresses how and when to update your Form W-4.