By "flat" I mean a fixed percent of your income. A fixed $200 isn't a flat tax, because it's not a fixed percent of your income. Yes, apparently-flat taxes can

By "flat" I mean a fixed percent of your income. A fixed $200 isn't a flat tax, because it's not a fixed percent of your income. Yes, apparently-flat taxes can sometimes be regressive, for example a flat sales tax can be somewhat regressive because poor people spend a higher percent of their income compared to rich people. But this thread isn't about sales tax, so I don't think the flat tax in this situation is regressive.