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