Very few globe advocates can get past Step 1.
I got to step 3.5, considering thats as far as I could go based on contradictions and insufficiently strong evidence on both sides, but later went back to a very high level of confidence that the earth is a globe based on evidence I can see in person and reason out myself.
Evidence like 1) observing the evening sunlight shining up from below cloud level, illuminating the underside of clouds and, casting shadows of the clouds and land features upward.
2) observing the morning sunlight do the same as far as watching it transition from below to above cloud level (of which I have a video, unfortunately it is likely poor quality, but I haven't checked it yet).
3) yesterday I saw light rays or rather the shadows blocking the rays that lit up the perfectly clear sky in the evening, when the sun was BELOW the horizon. Must have been from mountains or sky scrapers.
4) I have long ago watched a thin sliver of the moon grow and shrink over a few minutes( I'm guesstimating a half hour or less) as the shadow of the earth changed based on the changing altitude of the horizon.
5) if the sun just got farther away at night and was otherwise only a few hundred miles above the ground, it would look biggest at mid day, and tiny at morning and evening, but it always looks the same, occasionally even bigger at sunrise and set.
6) in addition to number 5, the sunlight should not appear and disappear so quickly if the sun is just moving far away over flat ground, but night and day transitions are very fast as if the sun is going to the other side of a globe.
7) I have noticed a pattern that I see most satellites in the late evening, or very early morning. Otherwise they disappear in the shadow of the earth somewhere overhead most other times of the night.