The Prohibition of Deception, Concealment, and Bidding Up in Buying and Selling

The questioner:
Honorable Shaykh, regarding deception in buying and selling, especially in car shows, Honorable Shaykh, and concealment and bidding up, what is the advice for them?

The Shaykh:
All of these are forbidden and not permissible. Deception is not permissible. Whoever deceives us is not one of us. If a person knows of a defect in the merchandise, it is obligatory for him to disclose it and not conceal it. Likewise, bidding up, which is when a person who does not want to buy the merchandise increases the price to raise it for the others. The Prophet (peace and blessings be upon him) said, "Do not bid up," because this involves harming Muslims.

The presenter:
Yes, and the third question.

The questioner:
Yes, Honorable Shaykh, he says: We want advice for those who deceive in buying and selling.

The Shaykh:
The third one that you mentioned; you mentioned three things: deception and bidding up, and the third is

The questioner:
concealment.

The Shaykh:
Concealment, which is hiding the defects of the merchandise. Concealment is hiding the defects of the merchandise and presenting it in a good appearance when it is not so. This is concealment, and it is forbidden. It is obligatory for those who sell and buy to be truthful and to disclose the facts to people. Yes.

The presenter:
May Allah reward you.