How to Organise a Stag Do

I don't think I've ever been on an international stag do where it's not been revealed at some point by someone. The problem here is twofold. Firstly, the habit of setting up a WhatsApp group and then a WhatsApp group for the elements that the main person can't know about in a separate but similarly titled WhatsApp group. Secondly, the high premium placed on surprises. If you said to me, Dave, I'm organising your stag and we're going away - all you need to know is pack an overnight bag. In my head, I'm thinking, okay, it's either. Go to the Mozambique, Cambria, or Paris. It could be Ecuador, Vegas