Welcome Lei to the forum.Sorry, I responded on the comment. I have 4 drones in total. 2 toys, 1 Parrot Bebop 2, and my Typhoon H. Yes I began in January was licensed by the end of February and I have a total of just over 25 flight hours already. I'm serious about this.
Great to hear you’re enjoying the forum and information, plenty here absorb! Also great to hear you own other brands, gives a different perspective in designs and additional forum to converse and learn.
You indicate you’re serious and hold 107. May we inquire your intended focus to use commercially? Good Luck in your adventures!