Evidence for this comes from the English language, with phrases like "dirt cheap" and "dirty dog".

If it's anywhere that isn't dirt cheap such as India or southeast Asia, then yes, the money may not stretch far enough for two people.

Travel in Kenya doesn't have to be either dirt cheap or incredibly expensive.

I picked this up dirt cheap from a pawn shop last week.

Over the next decade, access to the Internet is forecast to become dirt cheap and quasi-ubiquitous.

I could see the possibilities of such a development, and the land was literally dirt cheap in those days.

Having "50%" more processing power than a Xbox360 is almost dirt cheap now.

And dirt cheap to the nation that buys it.

They're dirt cheap to make if you know how to do it.

Not dirt cheap (I saved about $7), but the selection was much better than at local department stores.