North and east Bali are more into live bands rather than clubs. The south eastern islands have a few party places. Gili Islands have great beach parties.
Exchange your currency at Legian Street, everywhere else in the Island will be lower rate
Carry water bottle and fill it when you find water dispenser, you will save tons of money
Eat at Warungs, same food in a restaurant will be double the price
Take your own medicines and bandaids and first aid kit, doctors are extremely expensive
There is no public transport and taxis are expensive, so either use a bike or take shuttle buses