I live 20km away and rarely go above 40k a month, even with dining out a couple of times a week and few beers most nights. Pattaya is a tourist area and your on holiday, just 'living' here and away from tourist hot-spots is a total different thing..
your on holiday in a tourist area... I would bet in Pattaya or Phuket? Out these areas and not throwing money around 1000 a day is plenty after your rents paid.