Rules? What Rules... No, they're for someone else.
I commend the people who responded. I've gotten so aggravated here in the past, I stopped coming here period. One (new) Guest Posts a DIY question and another Guest chimes in to tell him the answer, next thing you know 10 other Pro's correct the Guest by telling them what they should do.
There's three ways to Learn.
1. Go to School
2. Work as an apprentice
3. Study on your own. (If you went to school you Should have some.)
Yes, I know I Shouldn't But I Just Can't Help Myself...