Working abroad is a dream come true for lots of people. However, to go to certain countries like Canada or Australia from the UK, you might need to acquire some new skills. Countries like this will only allow people to go and work there if they have skills that the country can use, so it is best to find out more about the immigration process and to decide from there what you need to do to achieve your goals.
Many people choose to go and teach abroad, as becoming an international teacher is relatively easy and cheap. Usually people will work as English teachers in places where English is not the first language, acting as a language tutor. There are many options for people who want to learn these skills, including the option to study for the majority of the course online. Find an options online and read about what you need to do.