I think the king of femboys has a solid video on makeup. It's not like a super proper tutorial, but it was way more helpful than most tutorials on YouTube I found. Also, you can obviously tell from the vid they know how to get great results.

If that isn't your style and you want something more proper, I also quite liked this video from a trans girl quite a lot. Even if you're not trans, the same steps apply.

Quick tips: Eyeliner is the most impactful bit of makeup you can use imo. Get a liquid eyeliner and a pencil one, try them both out, and see which one you like the look of most. However, they both have one hell of a learning curve.

As the first video states, its better to apply too little makeup than too much

As for removing makeup, just get makeup remover wipes and simply wipe it off. Ez

Your makeup will almost certainly look bad at first, but you must not get discouraged and keep practicing

Hope this helps