Quarterly estimated taxes are due in 15 days — self-employed and gig workers who underpay by June 15 get hit with an 8% IRS penalty plus daily interest
A freelance graphic designer who pocketed $12,000 between April and May 2026 but set nothing aside for taxes is about to find out exactly what the IRS charges for that oversight. The second quarterly estimated tax payment for 2026 is due June 15, and for the millions of self-employed workers, rideshare drivers, and gig-economy contractors…