If you are looking for a free tool for making 2D animations Pencil2D might be very useful
If you want an alternative, Synfig Studio is also a nice tool for 2D workflow.
I want to try. Let me see how the workflow is. Currently, too many programs on PC. Windows 10 is finding it hard to deal with it.
It is useful if you know how to draw on a paper. Otherwise, it is not something you might find easy. That is what I think from first glance.