If Scotland were to have a second referendum and vote to leave the UK, would they even be able to survive? As. 'The latest comprehensive snapshot concluded that Scotland was running a larger deficit as a percentage of economic output than the UK average.' this takes into account the money Scotland makes from taxes and the money the UK government gives to Scotland so without the UK they would just turn out to be the next ROI with huge public debt as a percentage of their GDP
Source: BBC News, HM Treasury