For a worker making $40,000 or less, standard deductions often already wipe out federal tax obligations. But for someone in the $50,000 to $100,000 range, shielding $12,500 in overtime or $25,000 in tips could move them into a lower tax bracket.

Got questions about the new deductions for seniors, tips, overtime and car loans? Here’s what you’ve been asking—and my answers—about those, as well as other updated tax provisions.