www.dailywritingtips.com/
This site is amazing. I don't actually go on it often, but that's because they send it to me. Every morning I get an email with a new posted writing tip. Sometimes it's a list of good words to use, a way to better use commas, or even tips on publishing. It's such a useful site, and it keeps me up to date on the changing rules a lot of the time.
Best part is that, if you need to search for an old topic, they keep everything up there. (I dunno about if the rules change though. They may delete something dealing with old rules. That I never checked out.)
Still, as useful site that helps refresh ones memories and sometimes teaches something new every morning. I use to use it, back when I tutored.
