A predatory transaction is one in which one party forces the other to transfer his or her interests (including the transfer of his or her goods) on the basis of coercion.
not a predatory transaction?
Xiao Li's family is doing some decorating. Because the budget is wrong, he bought a few square meters of some brand-name wood floor. When it urgently needs to fill the wood floor quantity, the dealer said the wood floor already rose in price and must raise the price. In the end, Xiao Li bought the required floor for three times the price.