I'm looking at signing up to Costco next month, and was wondering how many OzBargainers go and what their experiences are like. How often do you go? I was thinking I'd need to go at least 6 times a year for it to be worthwhile, and would probably try for a monthly visit. My nearest store is about 20 minutes away.
Or the entire pizza for something like $15 that feeds the whole hungry family.