I mean no offense by this, but have you considered doing something else if you are having such a hard time financially and emotionally?
I understand that your family has been doing this for a long time, but the times are changing. You have to change with it or face the consequences.
Once upon a time, there were milkmen, but now there are none. Did they die? Probably. Why else would there be no more?
I am not saying you are absolute, but maybe you shouldn't put all your eggs in one basket.
Also:
I have no issue with those who keep their mouth shut about it
Jesus, do you hear yourself? You may benefit from the philosophy of stoicism. I recommend reading more about it online.
Best of luck.