You can try online bookstores such as Amazon. They usually have a wide selection of books, including English translations of light novels like Mushoku Tensei.
Yes, it can be. The story of Mushoku Tensei is quite engaging. It has a well - developed world - building and characters that can draw in new readers. The English translation makes it accessible for those who may not be proficient in Japanese. However, some of the themes can be a bit complex at times, but overall it's a great entry point into the world of light novels.
You can try online bookstores such as Amazon. They usually have a wide range of light novels available, including the English version of Mushoku Tensei.
Hard to say. It could be on hiatus, but without concrete information, it's difficult to give a definite answer. Try following the mangaka's social media or the manga's official website for the latest.