No, this has been done before. Colloquially, we’ve always called this practise making ‘duplicate accounts’ and then ‘spam up-voting’. Neither are acceptable here, and bear harsh consequences.
If one were to vote themselves, their newest account/s would be permanently banned on-sight, and their main account would also receive a ban of varying length based on the severity of the action. This is easy to track, so you’d quite assuredly end up with a ban if you did this.
Our stance on any potential abuse of the points system will be harsh. But it will have nothing to do with you if you can use one account and simply keep this community fair for other people.