This is just a personal view ( I have to preface everything with that now as sometimes my view isn't canon ).

Firstly, you should be aiming to draw a line from one point to another exactly. That doesn't mean you should obsess about it.

It's a balance between accuracy, confidence and speed. Often your practice may focus on one of these to the detriment of the others. But it's all good. If you feel you are drawing too fast and losing accuracy, switch to focussing on accurate lines. If your are drawing confidently but slowly focus on upping speed. Eventually all aspects will be improved and your drawing of quick, accurate and confident lines will manifest itself.

With the ghosting I find I ghost 2 or 3 times from point to point as accurately as possible and then just draw the line. I'm starting to get quite good now but it's taken 4 months.

This will take a lot of time and a lot of focussed practice but eventually will become second nature.

You can see the starting point clearly. There's absolutely no reason you cannot move your pen EXACTLY to the start point with each ghosting motion.

You see the point and you move your hand to align the pen tip to it. No need to think (or over think it). If you have trouble doing this then maybe you are speeding thru the ghosting so fast that accuracy suffers. It's better to keep a constant rhythm thru the whole ghosting, slow down a bit if you have to.

Pretty late to this thread, but I've just finished Lesson 1 so thought I'd include what I learned about ghosting.

A DaB member on Discord said this which stuck in my head: "You're only committed to a line, not a point." Ghosting is the way of developing confidence in executing that line/curve without actually committing yet, but once you actually put pen-to-paper and commit to drawing it, that's where your confidence and accuracy are revealed for what they really are.

In a way, you can use your linework as diagnostic to whether you're using ghosting effectively. After all, its purpose is to help you build confidence and draw better lines. For example, if your lines are wobbly, or if you're constantly missing the starting point, it's telling you something about your confidence and/or accuracy. You may have to slow down, or speed up, or "place" your pen tip more carefully when drawing the line. Ghosting helps you improve your confidence/accuracy/etc without having to commit to the line yet.

And you should be ghosting in the same way as your draw the line. Ghosting slow and methodical, but drawing quickly and "carelessly", defeats the whole purpose of ghosting. After all, the only evidence of your current ability is in the line you actually make, no matter how careful or perfect your ghosting is.

Hope this helps someone, that's what I learnt from Lesson 1 about how to use ghosting effectively to help me draw better lines and curves.

You ghost only in one way. So you ghost (faster) from point A to point B, then slowly come back to the starting point. You can do that as many time as it takes. Once you're ready, you can also slowly put your pen down, then cut the paper like a samurai. The priority is having a sexy line. Hitting the mark comes after. Stopping at the mark is the third priority (try not to stop but to lift the pen instead).