Yes there are deals if you know what you are looking at and others don't.
1804
Half Cent C-3 variety, there are about 7 specimens known. A halfcent specialist I know has cherryed three of thse seven off of
ebay.
A low grade 1798 cent that no one could understand why it sold for $200. I tok one look at it, realized it was an S-144 worth about $3000.
There was one of these sellers that puts up some low grade stuff with silly hype and a high starting price hoping to hook a sucker. They had three AG large cents, a 1797, an 1800, and an 1801 with an openning bid of around $400. Guy I know contacted tem and asked if the would close the auction and sell them to him at $425. They said sure and were probably laughing themselve silly over taking that rube. That Rube walked away with the 12 known and about the seventh finest 1801 S-217 woth about $5K.
Not in the same catagory but I have turned up what was the second and finest known Warwickshire 340bis Conder token(there are three of them now). I purchased a Shropshire 13bis conder token, discovery specimen and still unique. and this past month I found a Shropshire 11. It's a piece I've looked for for years an every time I find one it turned out to be amisattributed piece. This past year I asked a couple of the top specalists inConders if they have ever seen one and they told me no they had never seen ne that matched te descrption in Dalton & Hamer an that it w jut one of the errors in the book. The piece I found last month may be the first confirmed piece since they wrote the book back in 1910.
So yes there are still good deals on
ebay.