Welcome to the answer forums. We are sorry to hear that you are having issues with your devices. I have a few things I would like you to check for us to see if we can fix those connection issues for you. The articles will be listed below.
If your wife can not Port forward that she can call us your Slingbox 350 is still in warranty and we would be happy to do that for you.
Hope this helps,
Sling Moderation Team