I got suspended multiple times because my partner and daughter were also in our city's sub, and sometimes one of them would upvote my comments without realizing it was me. It got really fucking annoying, and of course there's no way to talk to a real person at reddit to prove we're different people. I'd appeal every time and they'd deny it every time. How reddit could have gotten so huge without realizing that multiple people can live in the same household is beyond me. In the end they both just stopped upvoting anything in the sub because it was too risky (for me).