I have made a total of one svg file using Inkscape. So obviously I'm an expert
Inkscape is a free program and not too hard to learn. There are lots of how to websites for Inkscape that are great. I would guess the more you do it the better you get. What I did was find a coloring page of what I wanted and basically trace it in Inkscape. I'd recommend learning it if you have a bit of time.

Inkscape is a free program and not too hard to learn. There are lots of how to websites for Inkscape that are great. I would guess the more you do it the better you get. What I did was find a coloring page of what I wanted and basically trace it in Inkscape. I'd recommend learning it if you have a bit of time.