#1. Do not try to build bulk links in one day. Take time to get quality links. One quality link is equal to n number of quantity links.
#2. Make sure you follow keyword density, If you are already listed in #1 page below your competitor. Do not think only by increasing keywords in content can bring you the top position above your competitor. These can even result to removal of current organic listing or the result can be pushed to last.
#3. Write content for users experiences and not alone for Search Engine spiders.