For me, personally, as a content writer whose expertise is focused on YouTube Marketing, what I can tell you is that you should have consistency and persistence especially if you are just starting out your video/channel. You need to share your video in all your social media platforms in order to widen your range provided that your video also provides great content (relevant to your niche). That way, people will be interested in viewing your videos -- thus, increasing your views.
However, you can also buy YouTube Views BUT you should ONLY buy from sites that are authoritative, not from sites that offer such service for a low price but in return, provide low quality views too that may red flag your account. Overall, CONSISTENCY and PERSISTENCE for me is really the key.
I hope this helps!