269. Walk around the store, looking for people with moustaches. Every time you find a moustached man, rip his moustache off.
270. Advertise Zellers.
271. Go to the dairy isle and spike all the milk with sleeping powder.
272. stuff in a cereal box.
273. Steal all the popular videogames and hide them somewhere in the store. If possible, get one or two past the shoplifting detectors.