I hope Trump has a better plan than to trust Republicans in Congress.
Ten million people gathered in Washington DC to support Trump will have zero effect on the democrats. They don’t care. They would machine gun them all if they thought they would get away with it.
If you eliminate the electors from Arizona, Georgia and Wisconsin, ChiCom Joe is short and you force a 12th Amendment action.
The House would submit 50 votes based on state delegation and choose the US President.
The Senate with Cocaine Mitch would get to select the VP.