Rule no. 1: Always claim there is something to shoot in Singapore. (No matter how much you think there is nothing to shoot or can't produce any good pictures about Singapore)
Rule no. 2: Always claim that you can shoot with any camera, including pinhole camera. (Even though you may be a diehard nikon or canon user or better still, a mamiya or hasselbald user or the best, a sinar user with valeo or phase one digital back)
Rule no. 3: Never join a group of shooters during a model shoot or to be seen at public events shooting for free. (These pictures are always regarded as 'snapshots' and highly despised by true professionals who look through your portfolio)
Rule no. 4: Shoot close. (Never fails or at least, never get scolded for not shooting close enough)
Rule no. 5: Wear a photographer's vest and carry a big lens around. (Never fails also. But best is to wear an appropriate name tag to pass off as official photograher)
Last rule: Always tell others there are no rules in photography.