They say you have to speculate to accumulate, but things don't always work out that smoothly.
According to the European Football Index, for example, despite spending over £88 million on players, Graham Potter has actually decreased the value of his Brighton squad by £94 million during his time in charge.
Click and scroll through to see the full set of figures, and how he compares to his Premier League rivals:
1. Jurgen Klopp - Liverpool
Starting Squad Value: £312,381,603 Current Squad Value: £978,930,000 Players Signed: £479,570,000 Players Sold: £365,400,000 Effective Profit: £552,378,397 (Photo by Laurence Griffiths/Getty Images) Photo: Laurence Griffiths
2. Sean Dyche - Burnley
Starting Squad Value: £21,937,743 Current Squad Value: £139,340,000 Players Signed: £116,740,000 Players Sold: £88,300,000 Effective Profit: £88,962,257 (Photo by Michael Regan/Getty Images) Photo: Michael Regan
3. Nuno Espirito Santo - Wolves
Starting Squad Value: £80,467,765 Current Squad Value: £322,020,000 Players Signed: £284,720,000 Players Sold: £120,530,000 Effective Profit: £77,362,235 (Photo by Stu Forster/Getty Images) Photo: Stu Forster
4. Scott Parker - Fulham
Starting Squad Value: £104,940,000 Current Squad Value: £189,050,000 Players Signed: £33,530,000 Players Sold: £25,650,000 Effective Profit: £76,230,000 (Photo by John Walton - Pool/Getty Images) Photo: Pool