Hotel costs can vary widely — the most upscale hotels can cost around $600 per night, while basic accommodations can be as little as $5 per night. Food, taxis, and souvenirs are very affordable by western standards. You can easily get by on $20 per day for food and water, especially if you stick to simple local fare. Check ahead to make sure you have enough money to enter the religious and archeological sites you want to see. Bring enough to tip your tour guide and driver. Most people consider $10 to $20 per day fair.