Elmissir, I take it you are interested in park flyers or other electric powered planes. I started a few months ago with a glow trainer (that I would never have bought for myself, even though I've wanted to get into R/C for years). I can't emphasize the importance of an instructor enough!!!!! Mine helped with advice that made the first flight so successful that I couldn't wait to fly again and apply each tip that added to my understanding and built confidence that helped me advance.
By the way, he (my instructor) was self taught. He crashed 4 planes before he was able to land an aircraft intact. I thought I had a real head start on his beginnings! I disregarded one of the points he had made during my instruction and am now learning about various glues, sheet balsa thickness' and how to disassemble my engine to get the mud, that was rammed into the carb (and probably the cylinder) out. Instruction is a short cut.............if you listen. Plus, the guy has become a good friend. He even helped me get a deal on new tires for my car!