Buy it in America Act - Directs the Secretary of Commerce to establish the America Star Program as a voluntary program under which manufacturers may have products certified as meeting the standards of a label (i.e., America Star label) that indicates to consumers the extent to which such products are manufactured in the United States.

Amends the Internal Revenue Code to: (1) allow a new tax credit (angel investment tax credit) for up to 25% of equity investment in a small business entity that is located in the United States and engages in a qualified high technology trade or business; (2) make permanent the 100% exclusion from gross income of gain from the sale or exchange of qualified small business stock; and (3) establish tax-exempt small business startup savings accounts to make distributions for small business operating capital, the purchase of equipment or facilities, marketing, training, incorporation, and accounting fees.