0 very old:
My grandfather seemed as old as the hills to me.
His family is as old as the hills, and infinitely more respectable.
It's as old as the hills.
If the point is as old as the hills he should not have used the tender price figure as basis of comparison.
It is as old as the hills, but it works.
The idea of co-operation is as old as the hills.
That is an argument as old as the hills.
Auctioneering is an old trade, a trade as old as the hills.
Evidently it is as old as the hills.