terms    of  negotiation,    some    numbers     appear  more
immovable   than    others.
The biggest thing   to  remember    is  that    numbers that    end
in   0   inevitably  feel    like    temporary   placeholders,
guesstimates     that    you     can     easily  be  negotiated  off     of.     But
anything     you     throw   out     that    sounds  less    rounded—say,
$37,263—feels   like    a   figure  that    you came    to  as  a   result  of
thoughtful   calculation.    Such    numbers     feel    serious     and
permanent   to  your    counterpart,    so  use them    to  fortify your
offers.
- SURPRISE    WITH    A   GIFT
You can get your counterpart into a mood of generosity by
staking an extreme anchor and then, after their inevitable
first rejection, offering them a wholly unrelated surprise gift.
Unexpected conciliatory gestures like this are hugely
effective because they introduce a dynamic called
reciprocity; the other party feels the need to answer your
generosity in kind. They will suddenly come up on their
offer, or they’ll look to repay your kindness in the future.
People feel obliged to repay debts of kindness.
Let’s look at it in terms of international politics. In 1977
Egyptian president Anwar Sadat dramatically pushed
negotiations on the Egypt-Israel peace treaty forward by
making a surprise address to the Israeli Knesset, a generous
gesture that did not involve making any actual concessions
but did signify a big step toward peace. 
Back in Haiti, a few hours after the kidnappers had snatched