Hey thank you again for the tip!  I'll realign the buildings I added and edited to match the surroundings.  I kinda figured since they were added en masse they'd all have to be "fixed" at some point to match the satellite imagery and I was doing something helpful, but what you're saying makes perfect sense!  

To that point - when I'm using GPX data from a hike/bike/etc that I did, I have been trusting the satellite imagery over my GPS when they don't exactly line up - is it better practice to go 100% with the GPS?  Or to lean more toward the GPS?  Is there a preferred non-default image source?