Yes, it is possible. Many successful writers focus solely on short stories. Short stories can have a strong impact, and they are in demand in various publications. Some readers prefer the concise nature of short stories.
The creation of a novel required a higher imagination, a richer plot, a deeper character creation, and a more complicated plot structure. The creation of a novel usually required the author to invest more time and energy, and it needed to be repeatedly scrutinized and revised to ensure the quality of the work.
In contrast, writing a short story required a faster, more concise, and more direct way to express ideas. Short stories were shorter so authors could finish writing faster and publish and spread faster.
Of course, everyone's writing style and techniques were different. Some people might be good at writing long novels while others might be good at writing short stories. This was related to one's creativity, literary experience, and writing skills. No matter what type of writing you are good at, you can improve your level through constant practice and exploration.
No. Although H.P. Lovecraft is famous for his short stories which are filled with his signature brand of horror, he also penned some works that were longer than typical short stories. His works, regardless of length, are all characterized by a sense of dread and a unique exploration of the cosmos and the entities that might exist within it. His influence extends not only to horror literature but also to other forms of media such as movies and video games that seek to recreate the feeling of his terrifying and otherworldly stories.
Not exactly. While Lovecraft is renowned for his short stories, he did pen a few longer works and dabbled in poetry as well. His works often explored themes of cosmic horror and the unknown.