The sales department has worked for ten years and summed up the strategy for buying a house. The sales department has worked for ten years and summed up the strategy for buying a house. The sales department has worked for ten years and summed up the strategy for buying a house. The sales department has worked for ten years and summed up the strategy for buying a house. The sales department has worked for ten years and summed up the strategy for buying a house. The sales department has worked for ten years and summed up the strategy for buying a house. The sales department has worked for ten years and summed up the strategy for buying a house.