The Secrets of Procurement

Price: 100,000 - you negotiate it down to 80,000
Then the contract goes through at 80,000, and you pocket the remaining 20,000
This is called breach of fiduciary duty, and it's a criminal offense

Price: 100,000 - you negotiate it down to 80,000
But the final contract is executed at 100,000, after the transaction completes
The supplier simply takes you out for a business dinner
During the meal, the supplier accidentally spills soup on your pants
These pants happen to be a globally limited edition, one-of-a-kind unique item
The supplier sincerely apologizes and offers 20,000 in cash as compensation
You reluctantly accept - this is the proper procedure