The question is, how does one say 'no' in such a way that it is purely professional and has that weight of finality to it that doesn't allow for weasel room. Lets figure out the best way to create a standard of etiquette for declining inquiries we don't want to handle!
I'm opening the floor to the community on this. Please feel free to advise or suggest ways to professionally bow out of offers for commissions or trades.
If you recall someone making a post or a comment regarding this in the past, and felt it was a big help to you; please link to it for everyone's reference!