the trick about getting invested and confident in ur own concepts is to surround urself with other likeminded artists who are down to earth. i know nowadays especially people think "indie" and they think undertale or glitch pilots and they have paved the way for great things but i mean like. engage with your friends comics theyve been posting to an audience of 20-30 people. The people who are genuinely at your level with you. Who are working on their projects on the side because they still have a full time job to attend to. who go on long hiatuses because theyre in college and are crunching for tests at the moment.
maybe one day youll have all the resources you want to create your stories exactly how you imagine it at the speed you want it to be done, but until you get there you'll find so many people working with the same resources and available time that you have, and its about that network of small artists being able to support each other that can light a spark that you thought you needed an audience of hundreds to light.