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:
17. Derby County
Total net spend over the last 10 years: -£60,260,000 Photo: Alex Livesey
18. Sheffield Wednesday
Total net spend over the last 10 years: -£33,730,000 Photo: David Rogers
19. Huddersfield Town
Total net spend over the last 10 years: -£46,170,000 Photo: Gareth Copley
20. QPR
Total net spend over the last 10 years: -£54,170,000 Photo: Andrew Redington