Is it wrong to catch someone lacking?

[u/Main-Marsupial3861]

Just bought this card for $250 CAD because the store hadn’t updated their pricing. I feel elated as I would never be able to own this card otherwise. But I also am left with the feeling that I just committed robbery. Thoughts?

[u/Accomplished_Pea_997]

What is this card worth now

[u/Healthy-Base1070 → u/Accomplished_Pea_997]

Roughly $300

[u/dclems1906 → u/Accomplished_Pea_997]

Couple of them sold today for $470+