I think Trump will propose single payer within six months.
I think your drinking moonshine. Trump has said he wants HSA & competition, continuously at rallies in position statements, speeches ect. Don’t confuse a saftey net with single payer.
Single Payer would negate all the economic good his other changes would do. It must raise taxes sharply. It will be called Premiums but taxes are taxes no matter what you call them.