Audit all the votes of every state, if it is discovered that a dead person cast a vote for Biden or any illegal votes were cast for Biden, he should be disqualified as a candidate in that state.
All it takes is one illegal vote and that candidate should be disqualified.
Think that one through.
Want to bet against dems deliberately disqualifying every republican in every race?
I with you about the problem of rampant cheating but what you propose would make cheating easier than ever.