These are a few of my favorite and/or most referenced resources for learning. This list seems to grow each day!
Tip – search Facebook for niche specific groups that you might be interested in joining. There is a Facebook group for just about every interest.
While I will watch the myriad of US TV shows targeting the reselling world, I won’t list them here as they are quite easy to find. I do have a couple of European shows that I enjoy watching when I can find them.