Your best price argument is to take along a Coin World, point to an ad, and say, "I can buy all the Wheat cents I want for $xxx per $100 bag..." That is a strong argument to refute. That's why I asked (in a previous post) if you knew how they arrived at the price they're asking. In the inventory, take a quick look at the number of 1931-1932-1933 Lincolns. Cherry-pickers have a hard time leaving these in a mix; an unsearched lot (i.e., only inventoried, not searched) should have some.
What is under the 'tip of their collection'?....would want an idea but still like offering 4-5x face.
To be honest, I believe you paid very strong money for the previous purchase and the seller likely knows this, so don't worry much about keeping in good with them. I have a feeling that this person needs you much more than you them, and there are all sorts of people out there who will play stupid in trying to snare a newbie, gambler, whatever. Craigslist in my area is full of them, and many have been doing this for years, so regardless of anything they may tell you, take it all with a grain of salt and let whatever coins they have speak for themselves. People are not beating down doors to pay strong money for easily obtainable materiel, so if truly interested, use this to your advantage. Unless they snare a sucker, I do not see anyone else placing $2600 on the table, at least from what has been described thus far. As for keeping a few and flipping the rest, be very careful with this plan, especially since you are spending more than pocket change. Until you really know what you're doing, it may be best to start very small while learning. I'd hate to see you lose out from jumping in too quickly.
I did. It was a dud. Wanted numismatic value for every coin. Has a few BUs but I'm no longer considering the entire lot.