A new home that is built during a given year is counted in that year's GDP, while the purchase of a previously owned house has already been counted in the GDP of the year it was constructed. In this way, only those residences that add to the overall housing stock count towards GDP.
For those who file an amended return, however, the period to receive a refund check will take 8-12 weeks. For efilers (e.g., those who file electronically) here is a refund cycle chart that gives target dates when either an electronic direct deposit or mailed paper check should be expected given a particular filing date.
Your IRS tax refund will typically be available within 21 days if you file electronically. Filing taxes electronically with direct deposit ensures the refund gets to your bank account quicker, the IRS says. The IRS has resources to help you file your taxes and get your refund quickly.