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:
6. Nottingham Forest
Total net spend over the last 10 years: +£17,730,000 Photo: Laurence Griffiths
8. Coventry City
Total net spend over the last 10 years: +£14,820,000 Photo: Morgan Harlow
2 / 6