There are two different currencies in Cuba, the convertible peso(CUC) and the national peso(CUP). $1 CUC=$24 CUP

Rooms under $25 a night are certainly illegal and might cause problems with the police

If you're travelling to Cuba for studies, ask your institution in Cuba for a student card for discounts

Drink bottled water or sodas only

Remember to renovate your vaccines before travelling to Cuba

"Jineteros" will pretend to be friendly on the streets. Just avoid them.

Do not buy cigars on the streets, they can be false