The future of Ben Affleck and Jennifer Lopez’s marriage doesn’t look bright. According to insiders, the Hollywood power couple have been trying to sell off their marital home with the help of realtor Santiago Arana from The Agency after snapping it up less than a year ago. Affleck, 51, and Lopez, 54, bought the lavish Beverly Hills, Calif., estate for over $60 million. The pair were on the hunt for their dream home for quite some time before finding their love nest, allegedly seeing 80 properties in the process. Per sources, the Selena actress has already been looking for a new mansion for her…