The Savers Tax Credit sounds great on paper. Low-income people get a federal tax credit for saving money for retirement. But this part of the tax code always seems to disappoint. The House recently overwhelmingly passed a bill, the Secure Act 2.0, that – along with numerous other retirement provisions – makes the savers credit more generous for some low-income workers. Under current law, taxpayers can get one of three credits – 10 percent, 20 percent, or 50 percent of the amount they save in a 401(k). The Secure Act, which is now headed for the Senate, would somewhat increase the top income levels for the 50 percent credit – from $20,500 currently to $24,000 for single taxpayers and from…