Do not fear the Grammarian.
I suggest reading and writing a lot; that’s what I do, and my grammar and spelling be impeckslasdcable. In the end, though, I consider clarity of communication to be most important. If your grammar or spelling is bad, it doesn’t bother me that much as long as your message is understood.
Good spelling and grammar skills are very useful and facilitate communication. Just don’t be too concerned about the pedants. After all, these are message boards where we cannot edit our posts to fix any possible errors, and we all know that having several previews does not mean that we have not overlooked something. Far too often have I seen people submitting extra posts just to correct their prior posts before a Grammarian spotted it 