They say you have to speculate to accumulate, but things don't always work out that smoothly.
According to the European Football Index, however, Sheffield United are doing pretty well.
After spending over £120 million on players, Chris Wilder has increased the value of his Blades squad significantly 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)