Never rinse a coin over the kitchen disposal. Never tick off an auction company that is selling your coins. Never put a slab in your pocket along with a 2X2 with staples. Never offer to help someone sort a collection without knowing how large it is. Never buy a coin you do not understand. Walk away, learn and go back with a better understanding.
Been there, done that. Not to mention, you seldom get any gratitude, more often complaints because you told them the truth.
Sometimes that coin has the right look, even if it may be overpriced. Sounds like buying the slab to me.
Forget a nice coin in an acetone bath. Let's just say it's even worse looking if you let the acetone dry.
Never buy a coin you do not understand. Walk away, learn and go back with a better understanding.[/QUOTE] But I love doing this, as long as the coin is cheap. I love to go through dealer junk boxes and buy coins I have to take home, study, and identify. I have learned a lot doing this, and on rare occasions bought expensive coins for a dollar or less. Of course, I would not intentionally do this with higher priced coins! (I have sometimes paid too much for a coin I thought I understood.)
Don’t buy the sticker also. I’ve gotten into trouble with the dealers who live by marketing CAC, but I’ll say it again. CAC gets it right 95+% of the time, but you can’t buy stickered coins blindfolded.
In the opinion of many, the world’s greatest grader who is infallible. What they don’t realize is that others slap on stickers too. Early in the process, I received an invitation to be one of them.
Never try to impress upon a dealer your way of seeing things (e.g. price) by stating "Don't you know who I am?" That tends not to go too well... you see, that phrase seems to operate as an "agreeability/likability suppressor."
I suppose in my experience the corollary to that is "never try to correct a dealer when they say something that's wrong."