Here, bookmakers Paddy Power crunched the numbers to take a look at each Championship club and their net spend over the last decade – and there are some pretty shocking results.
However, not every second tier club has net spend in the minus column - scroll down and click through the pages to view the full club-by-club break down:
21. Watford
Total net spend over the last 10 years: -£84,910,000 Photo: Richard Heathcote
22. Cardiff City
Total net spend over the last 10 years: -£85,150,000 Photo: Stu Forster
23. AFC Bournemouth
Total net spend over the last 10 years: -£102,470.000 Photo: Naomi Baker
24. Stoke City
Total net spend over the last 10 years: -£160,600,000 Photo: Gareth Copley