Reddit is well-known for its model and rules: they have managed to build the community that builds the site on auto-pilot. And reddiquette is of course to thank for that.
Reddit has very active community and daily awesome content; however you better not post there if you are easily offended. Once you start submitting content, you’ll be downvoted hundreds of time: you’ll have to learn to live with that.
However starting right us essential and learning the basic rules of conduct will certainly help!