Who want to try this low quality link building tactics go ahead and do it.These tactics are all fine but do it smarter way.
–Do not join communities for backlinks join them for info and answers. Contribute some value and got timely backlinks.(blog and forum backlinks).
–Profile links are nothing until or unless you use these profiles.
–bookmarks with single profile or doing submission time and again with multiple accounts is no good.Make your content as good as you can so that it got shares likes and bookmarks itself.
–Social media signals are vital in ranking.Retweets is one thing I suggest you all.Really helpful in ranking.
–What ever link building method you use try to build link safe way but do avoid directory and classified submission in every case.
SEO is most important to backlink building.It is backlink strategy
Announcing a new web site
Announcing a new product or service
Describing a community event or service your company was involved in
Promotions or new hires
Submit to Article Directories
Building Hubs in Hub Pages
Using Twitter Use YouTube