This happened in Roanoke, which is left leaning. Republicans are going all out to cheat in this election.
Edit: Here is the law on tampering with ballots in Virginia. Class 5 felony
https://law.lis.virginia.gov/vacode/title24.2/chapter10/section24.2-1009/
Back to school. Vote-buying breaks democracy. Not having proof of who you voted for makes vote-buying pointless. Yes, your vote could be miscounted. This is generally less of a problem than the general population being able to sell their votes and can be mitigated in a variety of ways which don’t tie votes to voters.