Reddit reviews Trading: Technical Analysis Masterclass: Master the financial markets

You could start getting materials and ideas from cheap kindle books. Here's an example. Yes, stay away from stocktwits, ads and such on the web, or even books that are just lead-in's to other web products and services. You can usually tell these days, if it's a famous or decent book from reviews (filter out fake testimonials for web scam authors of course). Also check out tradingschools dot org for more reviews in general.