WordPress plugins can make or break your site. If you have too many it's not good and if you have ONE bad plugin it can totally break your site or your page speed. These are the 3 basic WordPress plugins I use across all my sites and they are fast and 100% free.
You don't need to pay for expensive plugins to have a perfect setup on your WordPress site. You just need to know exactly which plugins you need to move the needle.
You need a plugin to make sure you have high security on your site and you also need the necessary plugins in order to get the design and feel on the site that you want.
Besides that, you need to make sure you can implement all the technical details on your WordPress site that it takes to run marketing software.
I have chosen the 3 best free WordPress plugins you need to have on your niche site or authority site and they are absolutely crucial for your affiliate site as well.
The other video I mention in the video:
EZOIC setup tutorial: http://www.youtube.com/watch?v=Nn50sph1fUM
Check out the tools I use: