Running out of time to do your taxes? Filing for a six-month extension is simple. Josmar Taveras, USA TODAY

It’s the last day to file your 2018 taxes before getting into hot water with the Internal Revenue Service.

If you don’t file your federal tax returns on time, you could be charged a late-filing penalty. And if you owe and don’t pay Uncle Sam on time, you could rack up interest and additional fees on top of your tax bill.

By last count, the IRS has received about two-thirds of the expected 150 million individual returns as of April 6. That means a third of Americans are hustling this Monday to get