Trump's plan will increase the deficit and rebuilding infrastructure will call for increased spending BUT it won't be inflationary. When the government spends money and marshal resources that leads to better productivity and business activity it doesn't cause inflation. The competitive business environment is increases supplies and is a break on higher prices. This strategy offsets the fear of higher prices due to Trump's tariffs.

Trump's tax plan will also keep more money in people's pockets and circulating in the economy.