Scotland would be left with no central bank, no lender of last resort and no control over its interest rates, and would breach EU membership conditions.
The Scottish First Minister says that "while I was compiling the oil and gas index, David Cameron was still fooling around on the playing fields of Eton".
Would they be allowed to vote on UK-wide laws? And would they still stand in May 2015?
The Scottish First Minister offered no persuasive argument for Scotland entering a currency union with the rest of the UK.
"If Scotland walks away from the UK, it walks away from the Pound."
The weaker the party's offer of more powers becomes, the greater the risk that voters will opt for independence.
Nicola Sturgeon attacks David Cameron for speaking at the Olympic Stadium but has she forgotten Alex Salmond's Wimbledon antics?
One of the few factors that could tilt the odds in Alex Salmond's favour is the prospect of permanent cuts under a Conservative-led government.
The Tories and the conservative media would revolt against a Labour government dependent on Scottish MPs for its majority.
Any relocation would be largely symbolic but the Scottish economy desperately needs to be rebalanced.