Be (a bit) on the expensive side spoken language
To be costing pretty much money.
This hotel is a bit on the expensive side, we should find another one that is more reasonably priced.
Hmm, this phone is a bit on the expensive side. I don't think I bring enough money to buy it. Can you give me a discount?
To change the price of something
Used to indicate something that is very expensive
Have a very high price
Be very expensive
The origin of this phrase is not clear.
A legal matter that is very easy to solve
The house owners didn't lock the doors before going out, and that's why they got broken in. This is an open and shut case.