1: Wasting energy

2: Spending too much on mobile technology

3: Not allowing employees to work from home

4: Using consultants when the job could be done by staff

5: Hiring full-time employees when contractors would be more cost effective

6: Making unnecessary upgrades

7: Failing to upgrade old, inefficient equipment

8: Overspending on hardware

9: Not using the training budget effectively

10: Wasting money on travel expenses

via techrepublic