Annie got rich overnight through time trading

Annie was cast out of her family and opened a grocery store on a street corner, but business was dismal, and she fell into massive debt. Just as she was worrying about her debts, a young, handsome medieval commander traveled through a time portal and entered her store. From then on, Annie began trading with the commander, selling modern food, weapons, and other supplies to the Middle Ages in exchange for large quantities of medieval gold coins, antiques, and more, becoming a billionaire. Meanwhile, thanks to the weapons she supplied, the young commander led his 3,000 warriors to victory over a 200,000-strong enemy army…