I've been casting since about '88-'89 and have done a bit of research, but I guess my findings were pretty rudimentary. Done a good amount of "alloying" but my main concern/goal was BHN. I think my knowledge/experience is just "common sense" type to just get leading free cast bullets. Other forms I've visited are a bit more "basic", I guess, than the vast experience of the members here. I don't mind sitting back and gleaning knowledge...
My father in law was a POW in Germany in WWII and had a saying; "It's OK to get crabs, but keeping them is not". Same with ignorance; it's OK to be ignorant, but don't stay that way...