Be crystal clear in your ideas and never compromise on audio/video quality. For someone determined to make a career out of YouTube, a good camera is a prior investment, and for someone just trying a hand can either lend a good DSLR or use a good smartphone camera on a tripod.
Lights, camera, action -- isn't just limited to fancy studios anymore. Good editing and filming can go a long way in increasing the prominence of videos. Adequate knowledge of photography, filming, and editing will be helpful. You can take up some short-term courses in photography and film-making to dip your feet in the pool and level up as your followers' base growth.
Never stop your zeal with confined topic, keep discovering, exploring, and upgrading yourself about its interface and features to make the best use of it in your career growth. The platform is changing, so make sure you stay updated by reading up.
Your YouTube channel page is like your mirror, it reflects your creativity and your personality. YouTube offers numerous layouts and design templates to facilitate personalization. So, make the best use of these features to make your page visually attractive and user-friendly.
Titles should be attractive and should trigger curiosity in the viewer's mind and yet be relatable to one and all. Use tags and keywords to enable your video to be visible in searches and be discovered by more and more people. The right title and tags can shoot up your viewership.