Fraud in Land Sale

I have lands that are currently approved only for agriculture, and experts say they are now worth thirty thousand dollars per dunam. There are people who are not very knowledgeable and are willing to buy for sixty thousand dollars. Is it permissible to sell to them at the higher price?

You must tell him that the experts have said it is worth only thirty thousand dollars. Although there is no fraud concerning land, this is only to annul the sale, but there is a prohibition against deception. However, if there are no real experts in this matter, and it is merely their opinion, and there is indeed no market for this, and it is impossible to define the value, the seller is permitted not to disclose, as it is the buyer's responsibility to investigate.