JD,
I also use StockCharts and have for many years. The free side of this service offers a useful set of features and functions. They also feature what I think is a "best in class" Chart School. StockCharts also offers free Point & Figure charts (usually not available for free on other charting sites) which I rely on for some of my analysis.
I did have a lower tier fee based subscription to StockCharts at one time and also to TC2000 at other times, but found both of these fee based versions to be significantly more than I needed, especially for AIM based investing.
Plexto (Saul)...