Welcome and thanks for posting. The advice Gabe posted above is definitely good to keep in mind, here are additional tips on managing your data to make it last throughout the month.
I ran remote diagnostics on your site just in case anything was amiss, and everything is working properly. I do see you have a DirecTV device connected, these can use a LOT of data. Yours used around 4.5 GB since last Friday. I suggest keeping that offline (disconnect from the modem) until you need it online, otherwise it will be consuming your data in the background without your knowledge.
... View more