Germany is actually well known for having very low grocery price

English language article that mentions this though the main subject of the article are the " true price of groceries including climate costs: www.dw.com/en/…/a-38976477)

This is largely done by price dumping the suppliers and low balling the workforce (as much as German labor laws allow) <- I’m aware I have no source for this I will try to dig one up tomorrow when I can