To avoid frustration, I sometimes bid on items that I know will need work. The 55mm Macro was billed as excellent condition so I almost sent it back.
Here is an example of the exact opposite: PICTURE LOOKS BAD but LENS IS GOOD
Another purchase (NOT THE LENS FROM THE ORIGINAL POST), shown below, was anticipated to be a 'project' lens to clean up. It was $20 and I could not tell exactly what it was other than it came up with a search for 'Yashica'.
It turns out that lens was in mint condition with the original stickers on it! So sometimes you loose and sometimes you win.
This is the image from the ad: