The popular state homebuyer tax credit returned after running out of money last year in just 4 months. If you're interested in obtaining a tax break to help reduce the cost of buying a house, you better act fast. Funding for the credit could be used up with-in 3 weeks. Association economists are projecting that funding set aside for the tax credit will be used up quickly, thanks to an unexpected flood of delayed closings by homeowners who hope to qualify for both the state and federal credits.