In your shoes I would move to a different industry. That may sound harsh but the effects of your behaviour will ultimately destroy aviation.
There is a responsibility on employers to provide training to meet their manpower requirements just like any other industry. If they are unable or unwilling to provide for people like you whilst selling tickets for stupidly low prices then they need to suffer the consequences of low manpower.
All your behaviour will achieve is to lower wages and put others under pressure to accept less. That means you will be accepting less all your working life.
You are young and will recover. Find a different job