5. Some 5e-specific things:
a. With a large group I pass around a sheet where each player fills in their character's name, alignment, deity, AC, HP max, class, level, perception, insight, stealth, persuasion, intimidation modifiers. I also have a second sheet that lists every skill and I ask for the single highest modifier in the group (and that character's name) next to each skill. I don't cotton to a cascade of failed skill check, someone else says they're going to search, failed skill check, another player decides *they're* going to search the room, &c. My concession for large groups is …