1. Sign into xbox live
2. Click this link
http://view.engage.xbox.com/?j=fec81c767...=101288815
3. Click ' Im ready to go gold '
4. Buy xbox live 1 month of gold for $1 or £1
5. Repeat process starting with step 2 until it doesn't let you anymore
Remember that it turns auto renewal on and to turn it off you have to call them.