US President Donald Trump's dramatic tariff hikes on China are poised to price many of its goods out of the American market and Australians could benefit. Huge flows of electronics, machinery, toys and other products once bound for the United States will need a new destination, economists say. It could be Australians who benefit from cheaper goods as trade barriers put American consumers beyond reach for Chinese exporters. The tit-for-tat trade war continues to simmer, with China imposing a 125 per cent tariff on American imports from today. A tariff of 145 per cent is in place for Chinese imports…