#1 no 2k primers. i use only epoxy.
#2 i hate dupont/ppg clears. i use spi clear. i use matrix colors unless spi has the color
#3 none
#4 dont strech your tape. thats why it lifts. i sand from 1000 down to 4000. clean cut compound , foam pad.
#5 39 years......... too damn long