Really the problem is trade barriers. Independence is much easier if the rest of the British Isles are in a Single Market and Customs Union. In fact Scotland w

Really the problem is trade barriers. Independence is much easier if the rest of the British Isles are in a Single Market and Customs Union. In fact Scotland would likely be a net contributor to the EU, given its GDP, so it's not an issue of EU subsidies. That is probably the weakest part of your analysis.