evidence: During a Sept. 2 campaign event in Pittsburgh, 2024 Democratic nominee Vice President Kamala Harris claimed 2024 Republican nominee and former President Donald Trump wants to impose a national sales tax on everyday products, which would cost the typical American family almost $4,000 a year. [...] During the campaign event, Harris claimed Trump wants to impose a national sales tax on everyday products, which would cost the typical American family almost $4,000 a year. "He wants to impose, what in effect, would be a national sales tax. I call it the Trump national sales tax on everyday products and basic necessities that would cost a typical American family, the economists have said this, almost $4,000 a year," Harris said.