Most homes have only one Internet connection. But many families have more than one Internet-enabled devices. A cheap wifi router will solve this problem. These devices connect to a home's Ethernet connection and broadcast the signal throughout the house. Both desktop and laptops will be able to wireless connect to the Internet. Best of all, smartphones and computer tablets can connect to save on data use fees for users who don't have unlimited Internet on their mobile phone plan. The best wifi routers will provide extra security against hacking attempts, and can be installed in minutes.