Continuation of the benefits of the hadith: (Ibn 'Umar - may Allah be pleased with them both - said: I bought oil in the market)

The Shaykh : In the name of Allah, the Most Gracious, the Most Merciful.
Among the benefits of this hadith is also that it is not permissible to place an item in the place where it was purchased until the buyer takes possession of it and moves it to his residence, based on his saying: There is no difference in this between what requires measurement and what does not, meaning there is no difference between what was sold by estimate or sold by measure, weight, count, or length. For example, if you buy a car from a showroom and sell it in that same showroom, this is forbidden because the Prophet (peace and blessings be upon him) prohibited selling goods where they were bought. If you buy a sack of wheat, every sa' for one dirham, this requires measurement, so it is also not permissible to sell it until you measure it and take it to your residence, because the Prophet (peace and blessings be upon him) prohibited selling goods where they were bought until the merchants take them to their residences. The apparent meaning is that there is no difference between the goods being in a place specific to the seller, such as his shop, his stall, or his house, or in a public place like the market, because this incident took place in the market. However, there is some hesitation about this, and that is because the market ... is for both the seller and the buyer. For example, if you buy a pile of vegetables in the vegetable market, such as cucumbers, melons, or others, do we say it is not permissible for you to sell them as long as they are in that place until you take them to your residence? We say there is consideration in this. Why? Because the one who sold them did not sell them in a place specific to him; he sold them, left you with them, and went away. And now, if you were to take them to any place, it is not the custom or habit for a person who buys a shipment of these items to take them to his house to sell them in his house or in his shop. The custom is to sell them in that place, and this is the apparent ruling. Accordingly, this hadith is specific to what is transported to the residence, whereas what is not customarily transported, and where the seller has left it with the buyer in a public place, does not fall under this hadith.
Among the benefits of the hadith is that the Shari'ah considers cutting off what causes hatred and enmity. What is the basis for this? The Prophet (peace and blessings be upon him) only prohibited selling goods in the place where they were bought so that the buyer would not profit, and in that case, the seller would have some hatred or enmity in his heart toward him, even if the seller sold by his own choice. But it is known that if the buyer profits at his expense, he may think, what? That he overpowered him, that he overpowered him and took it from him for less, so he would have something against him in his heart, especially since Satan strives for such matters. Based on this cause, Shaykh al-Islam Ibn Taymiyyah (may Allah have mercy on him) said: If he sells it to the one who bought it from him, then there is no harm in that, or if he sells it at cost, then there is no harm in that. What does "at cost" mean?
The student: ...

The Shaykh : It means at the capital price without profit. However, the apparent meaning of the hadith contradicts this, and that it is not permissible to sell it, neither at cost nor at a markup, nor to the original seller nor to anyone else, and this is the most likely view.
Among the benefits of the hadith is the permissibility of buying and selling in principle, because he only prohibited selling them where they were bought, which indicates that the principle is what? The permissibility of selling, and this is the principle. Based on the saying of Allah the Exalted: And we benefit from this principle that if a claimant claims that a specific sales contract is invalid or a forbidden contract, what do we say? We say: bring the evidence, otherwise the principle is that the sales contract is lawful until you bring evidence.