I know what he can do. Have armed soldiers or National Guard or cops at all polling stations overseeing every voter and watching what he/she votes for.
When the votes are for Biden they will get tossed out.
Similarly the vote by mail votes will be placed in a very room and those who review them will toss out all votes for Biden/
For the first time in history all votes will go to the incumbent magically! Not one vote for the challenger. The only way to insure what y'all are demanding. CHEAT CHEAT CHEAT CHEAT CHEAT.