If you’re poor and want to be rich in a feudal economy, get titled by participating in a war, seize property in a war, buy a minor peerage, marry a child into a

If you’re poor and want to be rich in a feudal economy, get titled by participating in a war, seize property in a war, buy a minor peerage, marry a child into a peered family, become a merchant. This is all date- and location-dependent, of course.