If he says to the broker: Sell this for such and such an amount and anything more than that is yours

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Check below answers in case you are looking for other related questions:
He was asked to sell the product for a specific price but he is selling it for more and keeping the difference
If an agent sells a product for more than the price stipulated, who does the extra money belong to?

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Related Answers:
He is an agent for a company and he sells goods for a price higher than that of the company and keeps the extra amount
He distributes products for someone else in return for commission; can he increase the price of the products?
His father gave him money for his university fees but he spent it on other things
He was asked to sell the product for a specific price but he is selling it for more and keeping the difference
If an agent sells a product for more than the price stipulated, who does the extra money belong to?

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