Is there any benefit to advanced voting? I mean, it's not busy at my local voting station on election day (at least not historically), so that's when I plan to vote.
It helps people who are working or traveling on election day. It makes voting easier for people with disabilities and reduces long lines on election day, etc etc etc.
tl;dr Encouraging more people to participate in an election is a good thing.
If you view your account settings in the browser, there should be a checkbox for "Bot". This option is typically used for accounts that perform automated posting. So if yours is mainly a personal account, you may want to unchecked that option. The ability to change that may not be accessible through a third-party Lemmy app so you may need to login to lemm.ee on your browser.
You might be unexpectedly sick, hospitalized, dead, in jail, or otherwise unable to vote on election day. Early voting lets you avoid unexpected issues.