It's a wrap for the season at Jackson Hole Mountain Resort with closing day on Sunday. Just 240 days till next season! Jackson Hole real estate activity: NEW: Karns Hillside building site with .42 acres that for some reason gives me a case of déjà vu, listed for $475,000. NEW: Cottonwood Park single-family home with 3 beds, 2 baths, 1,300+ square feet, listed for $615,000. NEW: West Jackson duplex...