Something you might like to do is subscribe to their monthly newsletter. It’s free, and every month you get a free lesson – here’s the most recent one. The lessons are short, fun, include vocabulary and listening.
Hot English also offer paid content, so you will find a lot of advertising and persuasive language encouraging you to pay for more. Why not try out the free lessons and the blog first, and see how you get on. You might find the free content is enough for you.