Quote Originally Posted by Siddharth Singh View Post
To invest green packs first of all you need to find a young fast trainer.

His videos are generally focused on making the best player. They won't necessarily be the best cost effective method to train a player.
Yes I agree and also as a new player and low level, you should firstly focus on improving your training level and unlock all the drills. While you do that, you can save some rest packs to build your first players a bit later.