Good idea or no: Whenever the winner is decided by less than 0.5% of the vote, ...

Good idea or no: Whenever the winner is decided by less than 0.5% of the vote, it triggers an automatic recount. Within 0.25% of the vote, the whole election is re-done and everyone has to vote again on that race only.

This assumes that your state doesn't use electronic voting where a recount is pointless.