It was difficult to put into words what my feelings were about this subject. So I consulted - what else - Google for a good textual explanation of guilt versus remorse.
Guilt is the feeling that you feel when you judge yourself for having done something that you believe is wrong.
Remorse, on the other hand, is what you feel when you deeply and genuinely regret a choice you made.
Remorse comes from your heart, while guilt comes from your mind.
Does anyone ever remember saying "I would never sell that knife", only to turn around a month later and have reason to sell it? I sure do. But I don't have any problem with it causing me to feel guilty. Stupid, maybe. Upset later, because I did a stupid thing, maybe. But not guilty. Because there is nothing "wrong" with making a decision to relieve yourself of your own property, as a general rule.
But remorse? My God, I've felt remorse with almost every knife sale, like losing a part of me, never to get it back. I've learned that by keeping the knives which truly mean the most to me, I can avoid remorse, and it was a good lesson to learn, too.
Bob
EDIT: I seldom sell anything that's been custom made by the maker specifically for me. That's a given. So guilt is minimized. Bury me with my knives, but it's ok to burn the money.