Rooms - From FREE (at a few places on or near the beach). Dorm rooms cost $2+/night. Most basic rooms cost $7 (more right near the beach). This gets you a bed, fan, light cable TV and bathroom (no air-con or hot water). $12 gets you the above plus air-con and hot water. Above $12 gets you a nicer room, a bigger room, more or bigger beds, (or one closer to the beach), and maybe a swimming pool. $90 gets you a basic apartment for the month. Prices double on a few holidays.
Smokes - Marlboro's $1 a pack. Local good quality cigarettes, 43 cents a pack. Cheap smokes, 25 cents a pack.
Booze - Beers from 25 cents at happy hour to $1.00. Shots at a bar start at $1 (could be less as well). A case of beer is around $13. The Bailey's test puts a 750ml bottle of the Original stuff at $14. (damned inflation)
Transport - Trips around town on a motorcycle are from 25 cents to $1 per person, double after around 7pm, quadruple after 11pm. To Otres beach is more. A motorcycle taxi is about $12 a day (8 hours) including gas. A tuk tuk (cart pulled by a motorcycle for up to 4 people) is about triple the price of a motorcycle. Car with driver, $45/day around town including gas. Gas is 98 cents a liter. Trip to Kampot / Kep?. $4+ one way in a car. Motorcycle rental (100cc), $5/day. Bicycle rental, $1.50/day.
Food - meals are anywhere from 50 cents and up. A typical meal in a guesthouse is about $3.50 including a drink. Burgers start at $1. Pizza from $4.00. Prices (like everywhere) are rising quickly. Tapas from 90 cents.
Islands - Boat trips to the islands start at $10 round-trip. $15 gets you pick and return to your guesthouse, a day of snorkeling, breakfast, lunch, and maybe 2 or 3 islands. Rooms on the islands start at about $8/night. (dorm rooms can be as little as $3. ) Food is a little more expensive on the islands.
Casinos - Gambling slot machines start at one cent. Poker machines are 10 cents a game. Roulette tables are generally $1 minimum (10 cents for the machines), and blackjack and baccarat is generally $2 to $5 minimum. Free beer and smokes. Free food at the card tables.
Tourist Info - Free. The SihanoukVille Advertiser, Sihanoukville Visitors Guide and maps free in most guesthouses and restaurants.
Medical Care - Cheap. Almost all drugs are sold over the counter. Decent dental care at a few places. Questionable medical care all over town. Price for normal baby delivery, $14.75, twins are no extra charge.
Visa - Overstay is $6/day. Extend your tourist visa one month, $55. Extend your business visa one year - $295
Other - Massage $6-12/hour. Scuba diving, from $35 for the day and up. Daily newspaper in English, 50 cents. Fitness center, $2/day. Book rental, 25 cents a day. Island resort, $3,300/day, Ream National Park day tour with breakfast, lunch, transport and boat, $20. Withdraw money at an ATM, 1% commission (at a couple places). Movies in a theatre, $4 in air-con. Manicure & pedicure, $1.50.