Bacteria in your colon
nothing is
Your soul
it depends from store to store.
The cheapest thing I have seen on eBay is a webkinz code. It was 1 cent!
Nothing there is reasonably priced, but the cheapest thing you could buy would be a key chain or some candy from honeydukes.
soda
the cheapest thing at claires is a headband that is 1.14
Match box
Advice, I am given it all day long by my wife, kids, boss and colleagues and I never have to pay a penny!
Money wise, the cheapest thing in iTunes store should be 99 Cents. Be it a song, game, application, etc.But of course, the practical answer to the question is: Free!
Renault Twizy
The cheapest Car in the world.