It's hard to say. You should consider factors like the quality of the instructors, the content covered, and the reviews from other participants. If these aspects are top-notch and relevant to you, then it could be a worthy investment.
Indie comics can potentially be worth money. It often depends on factors like their popularity, scarcity, and the quality of the art and story. For instance, if a particular indie comic addresses a timely or niche topic and gains a dedicated fan base, it might have monetary value.
It depends. Some Spiderman comics, like those in mint condition or featuring significant storylines, can be quite valuable. But common issues might not be worth much.