Try to stick to a schedule. That's something I've personally struggled with a lot, and it's something that the more successful channels I follow have usually done better with. People like to know when new uploads will be posted, and YouTube likes to push videos that people check out quickly after their initial airing. Because of that, it's probably best not to try and post daily (or multiple times a day) unless you c…
Do you mind me asking: Have you made money? Is the money lucrative?
Unfortunately, I kinda screwed up a few times, and forgot to monetise popular videos until way later than I should have. Like that video with 6 million views or so? Wasn't monetised until it got about half of that, which was probably a very stupid mistake.
As for whether it's lucrative in general? Eh it depends on the niche, but generally not if we're talking ads. You need hundreds of thousands of views per video to really do well from those alone, and even that is heavily dependent on the subject matter in question and the audience you've drawn in (their country, demographics, etc). Most of the folks I know who do YouTube stuff full time tend to make a decent chunk of their money from Patreon and sponsorships instead, and I know at least one creator who stopped making stuff altogether due to it not covering their living costs (in a fairly cheap, rural part of China mind you).