Not enough supply
Shortage
The high price is "fair" since it was painted by a famous artist.
Reasonable
The new "product" is released.
Things to be sold
Use all of something
Run out
Two things used together.
A pair of
Having a very soft and easy to hurt feelings
Hypersensitive
Rising prices
Inflation
Increase
Go up
Shipping fees have risen with the ________ of the fuel.
Cost
Too much energy
Hyperactive