1usd = 30/35baht
getting from the airport with the train to the center 35thb
metro to get to the main train station 30thb
taxi or tuk tuk from main train station to khao san road 100thb
accomodation Barn Thai Guesthouse 450thb for 3person room with shared bathroom (25% for oversleeping check out time :))
beer in the shop 50thb (selling hours because of prohibition 11-14, 17-24), in the pub 80-120thb
cigarettes lm 60thb, marlboro 90thb (60thb in duty free at the airport)
lunch pad thai (noodles) on the street app 50thb
fruit shakes app 50thb
happy hours in pubs on khao san road 400thb for 3 vodka buckets
ping pong show 300thb pp/taxi there for free/on the way back 120thb for tuk tuk
night train to chiang mai 530thb pp for 2nd cl sleeper upper bed with fan (aircon not recommended) leaving at 22 from bangkok (15hours)