brother, better to check your points with shafii scholars. "I heard" is not strong enough to base a decision on. I know for sure points no.4,9 & 10 are wrong. And I don't quite understand what do you mean as "haram" but not "sinful" on number 14? Also no. 7 can only be done with certain conditions are met. Actually, a few of the stuffs you mentioned are also makruh, like no. 6. My advice, It's better to check with a shafii scholar. Allah Knows best.