Indonesia’s cost of living is fairly low, with prices to match. Travelers from Western countries will find it cheap, while others will still find it affordable. That said, there is a great range of prices for all things, depending on how much money you would like to spend, and how luxurious or simple your travel tastes are.
A typical breakfast will at a local restaurant costs about $1.50-2 USD. Lunches and dinners cost approximately $2-4 USD. Meals at restaurants aimed toward tourists might cost $5-10 USD, and there are high-end options for those wishing to spend more.
A good coffee is about $2 USD. A cold beer in a local restaurant will cost you $1-2. Better bars can charge double that amount, which is the about the same cost as an imported beer. A bottle of water costs a bit less than $1.
Taxis prices can vary depending on your location and destination. Most taxi ride prices can be bargained down. $5-15 USD is a good baseline.
Small souvenirs go for $5-10 USD, larger ones for $10-20. Some art and jewelry can be very expensive.