Report Abuse. There is no age restriction but pet shop owners are usually very responsible people and will not sell a puppy or a kitten or anything else to an unaccompanied child.
When the price goes up, naturalization rates go down. The current filing fee for Form N-400, the Application for Naturalization, with U.S. Citizenship and Immigration Services, for adult applicants is $680 ($595 plus an $85 biometric fee). This is certainly a prohibitive cost for individuals living below the poverty level.
How much does it cost to become a US citizen? Naturalization filing fees are typically $680, but you may be eligible for a fee waiver. When you are ready to submit Form N-400, the application for naturalization, you will have to pay a total of $680 in application fees. This includes a $595 general application fee and an $85 biometrics fee.