Whether you are new to social networking or have been in the overall game for a long time now, always be redefining your social bookmark submitting strategy. The world of the web moves very fast, and if you stick to the same technique for a year or more, you are likely to be making some mistakes.
So what should you be changing within your strategy? For starters, it is usually a good idea to investigate new and old social bookmarking sites in order to know where your niche is moving to. A group of just four or five users that start using a site and are considering your market can really shift the center of focus to a different site, and you have to be on your toes to find out if this has happened. It's normal to fret that this might take considerable time, but there are alternatives to going into the sites and spending hours there every day. Get Google Alerts for many keywords related to your company, and as soon while you notice movement on websites that aren't your usual stomping grounds, investigate them.
Something I always remind my clients of is that social bookmarking is not a one way street. If you approach it with just one objective in mind, you will likely be losing a great chance to boost your business spending little more time a day on a bookmarking site or two. Forget about only using these kinds of sites to spam with all your content and desire to get some extra traffic. This could give you a small rise in the short run, however in the long run your reputation will be ruined and you will more often than not find yourself banned from the most relevant sites. With all the proper social bookmarking strategy, you will not miss out on the great things these websites have to offer.
Whatever the site you might be using at the moment, always stay active, commenting on other people's links, placing useful links along with other websites and engaging in a conversation with the community. The only thing you have to take into account is the fact that people are looking for information, not for publicity. When you include phrases like 'buy my product' or even 'check out my site for excellent discounts on...' you'll automatically alienate 95% of one's potential users. You will get a small boost in traffic, however, this is a strategy for short term, not the long term. If, however, you place informative content and share your wisdom, you will likely not see immediate results, but little by little other users will trust you and also have you as a referent within your field, and that means good and regular business from loyal customers.