The 5-Step Program to be a Landowner
Step one: (obviously) buy the Hearthfire DLC
Step two: achieve
Thane Status in one of the following cities: Dawnstar, Falkreath, and Morthal
Step three: wait for the Courier
Step four: speak with the Servant of the Jarl (Falkreath: Takla, Morthal: Pactur) and ask them if you can buy a house
Step five: pay 5000€ and you are a Landowner, Achievement unlocked
visit the other two cities to get the
Land Baron AchievementPS: if you need help with the Thane Thing, check out this Link:
http://elderscrolls.wikia.com/wiki/Becoming_Thane