Restrict your usage to what is critical only and add a bolt on in your MyO2 http://www.o2.co.uk/myo2
@Evanz111 Depending on what phone you have, here are guides to help you:
How to Limit Data Usage on Android (techadvisor.co.uk)
How to Monitor (and Reduce) Your Data Usage on the iPhone (howtogeek.com)
I DO NOT WORK FOR O2
Welcome to the o2 Community Forum ~
Add a data bolt on ~ lots of choices and not too expensive either.
I added one on recently when my internet connection went down.