Dortmund strategy of using player resale to achieve financial success is debatable and some may think it takes away from the spirit of the game. But there is no denying that their approach has paid off enabling them to challenge Bayern Munich for first place. Dortmund inclusion among the contenders brings an intriguing dynamic to the football environment even though many supporters desire teams who put sporting success before financial success. It will be interesting to observe how other teams respond to the changing landscape of the game as they attempt to challenge Bayern hegemony and possibly shift Dortmund standing.
Many good players have been created at Dortmund, and it has become a natural thing when Dortmund is called a selling club because, basically, when Dortmund manages to score good players, many other clubs will be targeted by other clubs, for example when Erling Haaland was still at Dortmund. and bought by Manchester City. If Bayern Munich wants to improve their playing conditions on the field, then they really have to try to get good players at a young age from Dortmund.
In the past, they managed to get a lot of players from Dortmund. Even a Bayern Munich legend like Lewandowski has Borussia Dortmund in his past. Borussia Dortmund is one of the world's leading teams in finding great players. Bayern can take this side of them as an example.