This offer Is exclusive on fiverr.com. I will post your article / guest post on Tehnology blog .
I will never remove your post from the site, the dofollow links will be there forever.
Any number of links within the blog post is permitted but I would strongly recommend only using 2 at the most, Google seems to prefer this based on my experience.
Current topics are: Gadgets, smartphones, photography, laptops, etc..