You will be on your way.
If you are normal, you will be looking at sewing machines before you finish that first project.
It is okay, though. Thread and needle size will still be a something we have to learn, then their is that blasted oiling and dying stuff, what dang leather do I need. Carving or Geometrics, Man this leather stuff, it is going to take me a lifetime and I am in my stinking 60's already. Sorry I had to ramble a little.
Stitching is rewarding, just takes time they say. I once stitched a belt by pulling every stitch with a pair of pliers. My iron holes were a bit small for the needles, I picked to large of thread, it was double thickness, Herman Oak on outside, a piece of pigskin for a liner. The pigskin was to soft to keep a decent hole after it was punched. I stitched on it about an hour thinking it might get easier. Had to much stitched to back up and do something different. By the time I got that thing stitched, I created a hole punch with a tiny screwdriver to help widen the stitch hole, bought a new set of Irons, some smaller diameter thread, and smaller stitching needles for future projects. Stitching has become easier, have purchased yet another set of irons for less stitches per inch. I never mastered the putting both needles thru like all the YouTube videos demonstrate. Victor George a Youtuber and Master Craftsman does not stitch that way. He uses the One thread thru at a time deal. He has excellent videos for learning about making projects start to finish.
https://www.youtube.com/@viktorgeorge9144
other Youtubers I found very helpful for learning, Don Gonzales Saddle Maker, Joe Meling, and Makers Leather
Another thing I have learned is you will come up with your own process which will be a combination of advice from others and your experience in the process.
I know this information does not help in the least with your stitching, but I hope it gives you some encouragement, and helps you to enjoy the process.
I am Still dreaming of that Cobra Class 4. I need a few more Dollars and I might be able to get it. I am having trouble convincing my wife that it will look fine in the Living room, until I get that spot fixed in the shop outside to hold all the leather stuff I am accumulating.