This site is completely free. You don’t sign up for anything!
The site is leaving cert. driven but is suitable for IB/AS and A Levels too. Even 1st Year undergrads can learn economics here!
Use the exam notes to get your head around the vocabulary of exams and as a source of information. For each topic navigate the site for parts of the material you’re not sure of.
The sample questions have answers for each question. Education research recommends active revision so write answers and then check your effort against the correct answer…
There are news articles throughout the site. For advanced understanding read these articles (example) and make notes. Improve your answers to the longer questions by using your article notes.
Go create. Get online with what you have learned and look for articles, video and (re)tweets. Share the notes that you’ve built.