That's a good option, cheyennedonna. The VNC viewer will require the corresponding port to be opened in the firewall of your home router, Joann. If you're unsure how to do that, you'll need to find a local person to help you.

LogMeIn might not require a firewall change and therefore be easier.

To create a true VPN link on a home system is a bit of a challenge as you need software on either your router or your home PC to accept VPN connections, and your router firewall again needs to pass through the VPN traffic. The eDGe itself has numerous VPN connection options under Settings - Network.