This forum isn't really active anymore, but new people do still join, since the forum is one of the top search results for webcomic forums.
If you want to improve your artwork, doing a webcomic is really great for that. Having a reasonable schedule can help keep you drawing regularly, which helps your skills develop.
If you have plenty of ideas - maybe turn some of them into short stories and see how it goes? Then you can set the phenq diet pills at http://phenq-reviews.com/
for your goal posts pretty close while figuring out if making comics is something you enjoy, or if it's something you just don't have enough time for.
If you want to do a long story, figure out which one interests you the most. The more excited about your own stuff you are, the more likely you'll be to stick with it.