How legit are the 'copy my trade' people?

I recently found a UK-based Crypto/Forex trader offering mentoring services for $66 (after taxes). I'm excited about the potential opportunities this might bring, but I need a reality check on what I'm getting into.

The trader claims his system is almost fully automated, providing specific buy and sell instructions. However, I'm puzzled about how he can predict these actions so far in advance.

I plan to start with an initial investment of $100. I have no experience in this sector, so I appreciate any insights to help me understand what to expect.