When we can't afford to buy something, do we then say that the seller is "sitting" on the product? I would like to buy a cottage on the lakeshore, but the owne

When we can't afford to buy something, do we then say that the seller is "sitting" on the product? I would like to buy a cottage on the lakeshore, but the owner (who doesn't use it) won't sell it to me at the price I would like to pay. Perhaps I should sue him?