It's hard to give a straightforward yes or no. Comic Concepts has its pros and cons. Some of their products are great, but there have been issues with delivery and customer support in some cases.
There are cases where clients keep asking for endless revisions without clear guidelines. For example, a writer on Upwork might be asked to write an article, but the client keeps changing their mind about the content, tone, and style, making it impossible for the writer to ever finish the project to the client's satisfaction. This not only wastes the freelancer's time but also affects their reputation if they can't meet the constantly changing demands.
It depends on a few factors. If the animation follows the original story closely, uses good quality graphics, and has a coherent plot, it could be considered legit. But if it strays too far or has poor production values, it might not be.
Well, the legitimacy of G Mart Comics is a bit of a mixed bag. Some customers swear by it, but others have run into various troubles when dealing with them.
Honestly, I don't know. You could look into its reputation in the manga community, or maybe see if there are any reports of scams or issues associated with it to determine if it's a trustworthy store.
One way is to post a job clearly stating that you're looking for readers for your novel. Include details like the genre, what you expect from the readers (e.g., feedback on plot, characters). Another option is to search for freelancers on Upwork who have experience in literature review or beta reading and contact them directly.