There are a number of factors that contributed to Escobar's immense wealth. First, he had a monopoly on the cocaine trade in Colombia. Second, he was able to establish a vast network of distribution channels that allowed him to reach markets all over the world. Third, Escobar was a ruthless and cunning businessman who was willing to use violence to protect his interests.
Despite his wealth and power, Escobar was eventually killed by Colombian police in 1993. However, his legacy continues to live on. He remains one of the most notorious criminals in history, and his story has been the subject of numerous books, movies, and television shows.