PulteGroup, one of the biggest homebuilders in the United States, has pushed its market incentives to 10.9 percent of gross sales price in the first quarter of the year, over three times what they offer in normal times, according to the company’s latest earnings call. For those buying a home right now, this is great news. It means they can buy a new property for thousands of dollars less than they would have a few years ago. But what is an incentive for buyers is actually a loss for developers,