Unless the IP asks for bank statements, they won't be able to monitor it.
If you can make small savings and fund a more expensive packet, there is nothing to stop you from doing so.
Sharing from experiences of dealing with debt
The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.
Bob Marley. http://kallis3.blogs.iva.co.uk