Fortune soon smiled on Madam Tinubu. Prince Adele won the right to the throne and he became the Oba of Lagos. Also by the time she moved to Lagos, she had expanded her business. She started dealing in arms, ammunition. She established a profitable trade in tobacco and salt. Most importantly she became a slave trader.

Madam Efunroye Tinubu (c. 1810 – 1887), born Efunporoye Osuntinubu[1], was a politically significant figure in Nigerian history because of her role as a powerful female aristocrat and [b]slave trader[/b]in pre-colonial and colonial Nigeria.[2][3][4] She was a major figure in Lagos during the reigns of Obas Adele, Oluwole, Akitoye, and Dosunmu.