bargaining tactic / ploy
last minute / eleventh hour
alternatives
leverage
bargaining chip
trade-off
bottom line
consensus
to highball / lowball
deadlock
Agreement by all.
Something that a negotiator uses to gain an advantage.
Something offered in exchange for something else.
The lowest a negotiator is willing to go.
To ask for a lot more / offer a lot less than is reasonable.
Other options.
Bargaining power.
A point where neither party will give in.
The last possible time available.
A particular technique a negotiator uses.