TBumgarn, you probably should invest in the Magic Genie disks. It almost sounds like your little springy-thing inside the bobbin case is not giving you enough tension.
Here's a link to a video by Jamie Wallen, that specifically deals with tension issues. The very FIRST thing he talks about is the bobbin case.
https://www.youtube.com/watch?v=Q1mRhcquZTM
Any time I have issues with my system, I hop over to YouTube and look for "Jamie Wallen [my issue]". Jamie has done so many videos on YouTube, I have never had to call a tech to work on my system.
Hope this helps!!