Press Enter. You will notice that houses previously "greyed out" due to high costs are now selectable. Alternative: The "Motherlode" Method
Even with the cheat, you still choose between these two. "FreeRealEstate" covers both. sims 3 buy any house cheat
Navigate to the screen where you are choosing a lot for your Sims. Press Enter
If you prefer to "legally" buy the house so your Sims actually own the equity, you can simply increase your household funds before shopping. Adds §1,000. motherlode: Adds §50,000. 000. motherlode: Adds §50
While in Edit Town mode or when you are on the "Move In" screen (selecting a home for a family).