I believe this forum is one place you can enlarge your knowledge about Bitcoin and it investment meanwhile you are welcome to the forum. If you can be consistent here and go through some thread in the forum you will definitely learn about Bitcoin investment doing some practical will also make you to understand more of what you have read after you might have gotten some knowledge about Bitcoin you can start making purchases if you have a left over fund as you keep investing the more you keep knowing more about Bitcoin.
This forum is a very good place to learn about Bitcoin and other things like risk of altcoins, tips to have better practice for privacy and anonymity. The forum is old and very helpful with legendary members who actually help other members with their valuable insights that are not only helpful but also vital for newbies.
Before investing money in Bitcoin, learn about Bitcoin, wallets, how to install it, backup, recovery and surely about privacy and security that support your practice very well.
Security and Privacy Encylopedia.