We buy ugly houses. We buy pretty houses. We buy mediocre houses. Frankly, I do not care how sexy a house is. The nuts and bolts of a real estate deal are not that complicated– buy low and sell high. The execution of this adage is a bit more difficult because to buy low, one must have a cooperative foil. William Ury identifies five obstacles to cooperative negotiation that should be overcome (or broken through) for effective negotiation in his classic book “Getting Past No.” Here are a few gems he penned for you to be aware of which can help you to buy low.