How to File for $8000 Home Buyer Tax Credit When You Make a Down Payment on a New House – This is a place for the community to provide tips and advice on How to File for $8000 Home Buyer Tax Credit When You Make a Down Payment on a New House. This topic was created by Frank Pondrom and the tips are provided by the community. The tips you add here can be your own or referred from another site. The best tips are then ranked at the top when up-voted by members of the community.