There may be many reasons why Jiagedaqi's house can't be sold, including high price, poor geographical location and unreasonable marketing strategy. In order to solve this problem, we can consider reducing the selling price, increasing marketing propaganda, optimizing house decoration and other measures. At the same time, you can also seek the help of professional real estate agencies. In terms of expanding knowledge, we should strengthen the analysis of the local property market, understand the needs of buyers, and understand different buying psychology, so as to formulate effective marketing strategies. For example, you can build a model room for the house, so that customers can understand the overall living experience more intuitively.