Ed grinned slyly. "If they don't know what they want, use some context clues to figure out what they might like. Do they look tired? Try something to boost energy. Dry-looking skin? Some moisturizers. A warrior? Try some strength potions. A real puzzler? Try something more magical, like an invisibility serum or levitation potion. Start small, get their attention, and work your way up. If you push something too expensive up front, you're more likely to scare 'em off."

He leans back in his chair, looking happy to share decades of grifting salesmanship experience.

"What do you think? Any interest?"