Build Back Better’s taxes, direct and indirect, would mean a world of hurt for American families.

Yes, President Joe Biden’s plan socks the rich, with hikes of more than half a million bucks, on average, for the top 0.1 percent. But it also hits as many as 30 percent of the rest of us, too, according to the Tax Policy Center. Those bump-ups might be fairly small next year, but after that, the expanded child tax credit (up to $3,600 per child) expires, meaning many low- and middle-class families would see their bottom-line tax bill go up even more.

The bill will also slam the majority of the nation’s 30 million small businesses by applying the 3.8 percent net investment income tax to active business income for pass-through firms. Those moms and pops will certainly feel the pinch — but so will their customers, when they pass along the upcharge in the form of higher prices. Republicans on the House Ways and Means Committee say Build Back Better will squeeze more than $400 billion in new taxes from small businesses.

Customers, owners and investors will also share the pain from a new 15 percent minimum tax on corporate profits. Plus, Democrats hope to impose a second 15 percent...................