This is my preferred method even though in some ways the one before is better and you'll see why.
With this way of filing you only need a generic tag and WA will do the rest. So if you create a tag Wealthy Affiliate, you can use the same tag for all your Wealthy Affiliate posts/trainings. If you want to keep all your Google info together then you can create just a Google tag.
You may still create specific tags to keep certain posts/trainings together.
So this is what will happen when you put all your posts/trainings for WA under one tag;
Here you will see your posts/trainings are now under your Wealthy Affiliate tag. This is good as long as the author write's a good post/training title otherwise it can be hard to find their training so that is why my previous method may be better for some people.
The next page will show you a sorted filing system that will make your heart sing.