Pricing things can be strange. Back in the old Zortech days, we included full library source for free with the compiler. Library source wasn't even available for other compilers. Nobody particularly cared that we did that, and it was never mentioned in compiler reviews in the press. One day, Borland decided to package partial (not including floating point) library source for their compiler as a separate product. The…
A looong time ago I worked at a comic book store and the owner had a table of freebies at the front of the store. The distributors were always sending marketing material with cool artwork, so instead of throwing it in the trash when it piled up, he figured why not give it away? No one touched it. Then he started packaging it into $5 “grab bags”. That crap was gone in a week. The lesson? “You can’t give shit away, but…
Posting a Craigslist ad for $20 for an otherwise free couch? Gone the next day.
It's bizarre that this works, but boy, does it work.