This is a great article about filing your Taxes this year. If you decide not to pay your penalty could be near 25%. However, it could be .5% a month for the unpaid tax at April 17th.
There is also a Hardship option: “The IRS does offer a few hardship breaks for cash-poor filers. The big one in effect this year is called Fresh Start, and lets those who were unemployed request a six-month extension to pay this year’s tax bill without being charged any penalties..”
Take a good look at this article.