Hey, you can buy the house in Windhelm for only 8000 gold! If you have more than 8000 gold, trade it with your companion or depose it somewhere, and leave only 8000 gold.
You can buy it from The Steward of Windhelm, after completing quests for the Stormcloak Faction. You can buy it from The Steward of Markarth. You can buy it from The Steward of Riften. You're also can get the breeze home for free in Whiterun. Must complete the quest “ Bleak Falls Barrow”
You can buy it from Proventus Avenicci, the Jarl’s Steward.