It is oddly hard to file your income tax return in the US without working with a private company. Over 90 percent of returns are filed either by a paid tax preparer or by a taxpayer using commercial software, like TurboTax, which can cost as much as $169 per cycle, plus extra if you have state taxes. To date, most of the Internal Revenue Service’s efforts to make tax filing more available to low-income people have involved throwing business to private companies through the “Free File Program,” i...