Here are some just off the top of my head.
1.Sunlight/UV kills the virus. 2.Virus came from a lab in china. 3.HCQ and other therapeutics work. 4.Russians didn't have bounties on soldiers. 5.Rioters throwing soup cans saying "its just food for my family"
Please add more to the list.
Almost everything. Some exceptions just to be reasonable: the vaccine and bump stocks (basically any time he tried to appease the left). Things I can remember immediately: big tech, journalists being hacks, the need for a wall, China being a massive threat, deregulation, Mike Pence being a pussy, and a desperate need to drain the swamp.