Perhaps you will be interested
Here you can buy Arena 3v3 Courses from PRO with ReinwinBoost team for EU or US Servers.
Buy ready bundle to get better
3 hours with voice at option Light. Voice chat with Team.
5 hours with voice at option Standart. Voice chat with Team.
10 hours with voice at option VIP. You will get access to the special discord channel where you will have all tips in a chat memory, so you can come back to them later. Voice chat with Team.
Preferable to use ~1 hour for General, class and arena tips and rest hours for arena practice with Coach.
Also you will get:
Analyzing the best setup for your class.
Optimal characteristics set.
Choosing optimal talents, general and PvP talents.
Useful addons, macros and Weak Auras.
Personal advice from professional players.
Observing and learning of appropriate positioning according to a fight type.