from rags to riches
US /frʌm ræɡz tu ˈrɪtʃɪz/
UK /frʌm ræɡz tu ˈrɪtʃɪz/

1.
from a state of poverty to a state of wealth
:
•
His story is a classic example of going from rags to riches.
•
Many immigrants come to this country hoping to go from rags to riches.