"Enchantments here come at a steeper price than billed. Best silks are preferred." They will only be worn for a day and he will likely not take them with him when they return home - he will try, but if he can only take what he has on his person, he won't put them on - and yet, he cares that they are of high quality and make.

"What would you like in exchange for your assistance?" He is not used to getting things for free, but he is also used to being able to pony up for whatever he wants.