There are three ways, that I know of:The subject of this topic.
Buy and depreciate
Write off mileage based
Write off lease.
If you have a corp, there’s good chance some money coming from other sources, so easy to justify imho. In the worst case, start a gum ball machine vending business.For most however, in practice as a "home-based trader", there are not many instances where a vehicle is REQUIRED for the business operation.