There are several options. Some people find it on dedicated comic websites. Another possibility is to check out apps specifically designed for comic reading. But make sure to use legal and authorized sources.
The Solo Leveling comic is indeed finished. It had a definite ending that concluded the various plot elements and character developments. Many readers are still discussing and cherishing it even after the finish.
The number of Solo Leveling comic books can vary depending on editions and reprints. It's best to refer to the publisher's information or dedicated comic book catalogs to get the exact number.
They fill in the gaps. There are many parts in the main story that left us wondering about certain characters or events. The side stories answer those questions, making the overall narrative more complete.
It depends on your reading level and familiarity with the genre. If you're used to reading light novels, it may not be difficult. The language is usually accessible and the story - telling is engaging.
For some readers, it's not difficult at all. The plot of Solo Leveling is engaging and the writing style is straightforward. However, if you're new to web novels or not into the fantasy and action genre, it might take some time to get used to the pacing and the world - building concepts.