Weblet’s explore five key teachings we can extract from aldi’s impressive journey. Start small, think big. Karl and theo albrecht. With caroline randall williams. Webaldi hasn't always had the best reputation as an american grocery option. Webbut how exactly does aldi manage to stay so profitable despite its amazingly cheap prices? Ruggles says through a simple, streamlined approach to selling the very goods its. Webbig or small, aldi's fortunes have stretched a long way — thanks to two brothers who started their empire with a small, wooden wagon. Aldi was the brainchild. Webhow aldi's frugal, reclusive founders turned a corner grocery store into a $38 billion fortune · cnbc. German brothers theo and karl albrecht turned their family's. Webthe supermarket is famous for its flash sales.