Bricklink tried that once years ago. A lot of people didn't like it, so it didn't last long. You can always check retail prices on Brickset. David (48 months ago, May 28, 2020, to Retail)
[...] Yeah, I thought it used to work correctly but couldn't really remember. It is difficult to tell whether something automatically disappeared or the seller removed [...] (48 months ago, May 26, 2020, to Buying)
[...] The older version of Bricklink used to do this automatically. It's a bug that they've never fixed. David (48 months ago, May 26, 2020, to Buying)
[...] Yeah, what's up with that? I thought all feedback (positive, negative and neutral) had the same character length limit. David (48 months ago, May 25, 2020, to Feedback)