Our tips on how to avoid going over your ISP's broadband data cap cover Windows PCs, your phone, game consoles, and streaming devices. Here's how to manage your data on all four.

How can I set up everyone's phones to stop eating data once they go over their allotment and "encourage" them to use Wi-Fi, including my phone? Sincerely, Data Director Dear Data Director, ...

The key to avoiding international roaming charges? Control your use of apps or buy a prepaid SIM card.

How to Avoid Overpaying for Cellphone Data Use these expert tips to save money and dodge spending more than necessary on your phone bill.

Even if they aren't actively using their phone, they can rack up hundreds, sometimes thousands of dollars in charges as data streams to their phone over foreign networks.