看州法了

有买家撕毁合同，导致卖家卖不出去被告地。被判按合同价成交。

https://realtytimes.com/consumeradvice/sellersadvice/item/11888-20040816_buyerdefault

Basically if seller cannot sell the house at the contract price, he can sue you for the difference.

去问你的律师。