Because Experience Cuba Now offers travel packages, we often get asked about bringing extra money when traveling to Cuba. Spending cash really depends on your habits, but the old saying goes, "better safe than sorry!" My general rule of thumb is around $100 USD per day as there are a few meals not included in your plan. This can also cover tips and of course for souvenirs.
Remember, the only way to add to your in-country funds would be through Western Union.