Real estate courses can definitely shorten the length of time needed to start earning real money from real estate, and even more important - preventing you from doing wrong moves that most of the times are very expensive.
beginners tend to make alot of mistakes. those mistakes generally comes from lack of experience and the feeling that "I can always do it better than others". Educational courses can give you a priceless chance to hear some hands-on advices from real pros, and learn from their mistakes.
The bottom line is that before starting to play with 50,000$+ take a 500$ course and save alot of money and trouble.