in answer to all your points:
edible glitter tastes of sparkles and smiles, my xmas cake is covered in pink glitter and sparkly snowflakes . Make some poncey fairy cakes in petit four cases if you want to showcase your glitterati talents.
Job - v.good news would recommend temping as you get paid LOADS more than the regular sappers.
Hot choc - Health & Safety alert - boiling liquids and festive revellers = not good. But if you have a sensible grown-up helper to make it...