Al has 3 threads on the first page of this tutorials section, some of the most valuable information you can have for building a squad. (Guide for ambitious beginners, How to create a budget, Understanding training 2016). In those he also discussed his team development over seasons.

Find fast training players. Beyond that it's condition loss, which means watch your green pack ads, earn your tokens (or complain about not having any, there are threads for that too.)