observer, whether the right to spend time on the gap analysis of logical threads of others? If you devote this time to the study forum (start with a guide) and the main site, we can find, in particular, Terms trial access to the database
http://artinvestment.ru/subscription/# 02 This will help you evaluate quality.
Knowledge of professional, of course, may cost money. And no one forces you to share them for free. I sincerely urge you to formalize this knowledge into a commercial information product and offer it on the market. However, I am very grateful to those professionals who teach at the forum, as newcomers to protect themselves from errors. Imagine, there are people who talk about fakes and without charge "teach suckers, instead of chuckling, while standing on the sidelines.