If a party makes an offer, thank them for it. If you have multiple offers, remind yourself how fortunate you are, and consider releasing some of them, so you don't waste other people's time.

You always have a BATNA but must differentiate between not having a BATNA and not liking your BATNA.

For example, you may not wish to stay at your current job (your BATNA), but it may be best to keep looking for new opportunities until you find a better job offer. 

Telling your first choice they're Number One can promote goodwill and move the negotiation forward.

If you tell them they’re your top choice, and they agree to your terms, accept the offer on the spot. If they don't agree, let them know that you will think about it and weigh your BATNA, inc...

Many negotiators worry about their BATNA - what they’re left with if a negotiation doesn’t work out.

BATNA is your default state. It is crucial to determine your leverage in life's most important negotiations, suc...

If the other party ask you about your BATNA, don't lie. Don't claim you have offers you don't have. Instead, signal that you have a BATNA without revealing exact details.

Keep the focus on the current discussion and relationship. For example, “I have other interesting options, but I prefer ...