A couple more things, the grocery stores will not accept US $100 bills due to counterfieting concerns, not sure about $50's,so you will either need smaller bills, credit card or local currency from the bank or ATM.
The new supermarket has a much better selsction of wine than the older one.

Drink all day at home, your friends worry about you; do it on vacation and they say "what a good time you're having". Save your friends needless worry, travel more!