In what ways are you bad at writing but reports?
If you’re unsure, write a draft that gets all the basic ideas while still fresh on your mind. Then look at a past example to give you some ideas of what the maintainers would expect.
Yes and you will get better at it from the experience and its a goof thing for your CV. Maybe you even start trying to fix some issues down the line.
Yes. Even if you get bitched at. Decent people will just ask more questions until they get what they need from you. Better to give more information than none. Try your best.
Actually, sometimes going through every single step on how you ended up with the issue solves it… Done that a few times.
Yes. Describe it as best as you can and let the developer reach out to you if you want. A good maintainer will ask follow up questions for more specific stuff that you may not have provided at the start.