I just took an online course in WordPress and as part of the course fee I was able to choose a free theme. I chose Builder because it was recommended by the course teacher because of its flexibility and the Builder-Style-Manager plug-in. While I do like the theme itself, I've had a lot of technical issues with the style manager plug-in, and because I didn't purchase it from Ithemes I have no technical support. For some reason the custom style I've created keeps "breaking". It'll be working fine half way through the build and then all of a sudden the CSS Preview disappears and the edits I make no longer work. I was told it could be a compatibility issue with Internet Explorer so I've now tried using Firefox but seem to still be having the same issue. I've literally rebuilt the site from scratch 4 times now. If it happens again I'm giving up and moving onto another theme.