|The third letter of the ASSCURL acronym for persuading is Scarcity.|
When something is scarce it is valuable. If you can make people think there is a scarcity then you can persuade them to want it more.
Some words that show scarcity.
We want what we don't have or is rare. The 1943 copper penny is rare. There are only 8 of them in the world. How much do you think a penny is worth?
People want what they can't have. When they get it they don't want it anymore.
1943 steel penny which is said to have sold for $1 million.