If the URLs or links in your post are long, chances are they will get truncated and not work.

Please feel free to use our URL shortening service. The service is Free to use and will quickly and easily simplify long complex URLs.

Please visit http://URLSim.com

This is also a good service to use to hide your affiliate link ID. This helps you get more sales because folks won't be able to see the website and remove the ID before visiting.