ive never used a gift card or purchased anything with apple gift cards and i have a balance of 8

You might want to consider changing your password and making sure it is a strong one. You can also add 2 Factor Authentication to your account for more security. If the attempts continue, you might want to consider a name change.

Link to contact Apple Support in the article.

Apple ID has been compromised.      

Security and your Apple ID.      

 Apple ID Password Change.     

Note the restrictions in the article.

Apple ID Name Change.        

 What to do after you change your Apple ID or password - Apple Support    I suggest doing this before you change your Apple ID or password.

Apple ID -Two-factor authentication          

Two Factor Authentification availability.    

2 Factor Authentication - How to generate a recovery key

Apple ID - Using app-specific passwords.     

Apple ID - Two Step Verifications FAQ    

Contact iTunes Support for assistance. See the Apple Support articles below for contact information.   

iTunes Support – world wide 

Apple Support schedule phone call     

Billings and Subscriptions 

If necessary, try Twitter

https://twitter.com/AppleSupport.         

i brought a $20 gift card and Obviously i went to buy cp on codm and my payment was denied, i went to check my balance and i had $0.58 left i havent spend any money i check my Purchase history and it said it havent spend any money. i can have i refund pls or fits this apple

GREAT information and I hope many people take the time to read this!!!One of my current pet peeves.Thx so much for your post!!!!!

You are welcome.