Check with your Realtor about trade opportunities. However, since you must love that house and that owner must love your house, the chances of the perfect trade parent is extremely low.
The best strategy is sell your current home to a buyer and then be free to buy whichever house you want. Listen to your Realtor. The current price and condition of the home are not attracting a buyer. Either spend some time and money to make your current house more appealing or reduce the price.... more