Hi @Natasha45, thank you for reaching out to us and apologies for the late reply! You can keep a very close eye on your usage and the estimated cost associated with it through our app. You can download this through the iTunes or Play store. If you have a digital meter this will be automatically shown for you. Otherwise, you will be able to enter your own meter read through the app for your gas and /or electricity account. I hope this helps to answer your question and please let us know if anything else comes up. Thanks so much, Dave.