Adding a bit of info about the characters:

Leslie
A poor customer who usually buys trash. Sometimes, you may get a good offer from them. You will always have a small profit if you sell them cheap stuff for a tiny margin.

Chelsea
This customer likes shiny stuff and may overpay for it. If you balance profit and reputation, you may succeed. If you decline to serve Chelsea, your shop's reputation will improve.

Brinley
A Coupon Hunter customer. Likes good deals and cheap items. Brinley guarantees you a small margin of income.

Zoe
A highly passionate customer with unique values. Zoe likes people who agree with them. If you agree, Zoe might give you generous payback regarding profits and reputation.

Casey
An inspector playing their own game. They might confiscate some of your items and demand a fine. If you refuse to pay, it will save you money, but not your reputation.