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Being props designer may take several hours per week, depending on the complexity of the show. Be prepared to spend a lot of time doing this job.
When getting consumable supplies for the show (drinks, food), get a set of supplies during tech week so you can experiment, and then again right before the show (so you will have the best estimate of how much you will need for the run).
Notes on Props (alphabetical order)
Glasses (particularly champagne flutes) that are poured offstage may look surprisingly less full onstage; make sure you experiment beforehand with how much is needed to make the glass look full.
Tele-Q (telephone ringer) button is easy to 'slip' on; tell run crew to hold it down firmly if you do use this.