When I think of things that cost a lot of money per kilogram, the first things that come to mind are gold, saffron, caviar, Neill's Irish Wheaten Bread Mix, stuff like that.

Tesco, Lisburn, August 2020

COVID is dangerous, but sometimes the
alternatives seem just as bad.

Keep the kids at home folks!

ITV don't know about apostrophes.
(Or the student summer worker who did their email footers doesn't.)

Needless to say I posted a missive explaining the rules of forming
plurals. I also drew attention to the unnecessary dot in the word email.
(Not really.)
Spruce Meadows, Hillsborough 

I went to Hillsborough Post Office and bought two things
that just wouldn't move.

Turbulance

WARNING! Bad spelling at Lisburn railway station!