Hello Mario, Appreciate your detailed feedback and glad you are enjoying your experience with Convertri. We agree sometimes the tutorial might not be perfectly explaining concepts and based on community driven feedback we improve. We are glad you've traveled your journey from beginner to intermediate and are sure it is helping you build your business of whatever you are trying to achieve. Convertri is one mail away; and the outstanding community is right there on Facebook to help you out with ideas.
Unbounce also lets you create sticky bars for your site. These bright forms draw attention to the offers and help to get more conversions without paying for more traffic. The editor allows you to add pop-up windows (which are called overlays here) on exit, on arrival, after a delay, on a scroll, or on click. There are plenty of pop-up templates to choose from, and you may also customize them. This feature is not available with Instapage.