Large Classical Record Dealers

I have gotten LP's on eBay and for the most part have been satisfied. I should just mention that I bought the LPs I bought because I wanted that particular recording. I probably would have bought it regardless of condition (except trash).

Just check their feedback if they are a regular seller. Most are pretty honest on condition.

Mre2007, congratulations on getting on the road with vinyl. eBay can be a good resource, but prices often can be bid way beyond rational expectations and you do have check out the seller before diving in too deeply. There are many good and reputable sellers with good classical stock on eBay, and a number who are clueless and/or unreliable. Look carefully at the feedback posted; also try emailing the seller and see how you feel about the correspondence.

My favorite sources of used classical vinyl over the years have been some of the fixed price sellers who post their lists of LPs for sale from time to time (usually monthly), or who maintain a searchable database of their inventory. Several with whom I've found great success over many years are:
Paul Hartin at Ars Nova,
Peter Fulop at Mikrokosmos,
The Classical Collector, and
Classic Choice (UK).

Be thoughtful about whether you are buying as a "collector" or buying for the music and/or sonics. There can be a vast difference in how you go about this depending on your orientation. As a primer, I encourage you to read some of the material Arthur Salvatore has posted on his web site about his own experiences chasing classical vinyl over the years looking for the best sounding version of given performances. Whether you ultimately agree or disagree with his perspective (and I do agree), Arthur's comments are worth considering.
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I've had excellent experience with Jerry Canter's "Classical Collector" service - www.classicalcollector.com. Fair grading/decent prices.

On Audiogon there are a number of very fine classical vinyl sellers - notably Recordron and Orest1. There are others, but those two come to mind immediately.

As far as eBay is concerned, it's a crap shoot - you can do well, but caveat emptor.

Ebay offers mixed results, but it's often so much cheaper than the internet dealers mentioned above that you can write off the mistakes and still be way ahead of the game.

Or just stick to Ebay sellers that have high feedback scores and good return policies. Three that I'd say you can't go wrong with are:

Meangene5 (feedback of 5683, 99.8% positive)
scottcampbelllps (feedback of 3328, 99.9% positive)
kevinarmy (feedback of 3400, 100% positive)

An important bit of advice about buying on Ebay:
On Ebay (assuming at least 100 transactions as history), if a seller has less than 98.5% Positive feedback, I stay away. Less than 98% is a bad sign. It may sounds paranoid, but you have to realize that most Buyers are afraid to leave Negatives for fear of retaliation by the Seller, who often withholds leaving feedback until the Buyer has done so - ESPECIALLY if they know the item they sold is not so great.
As can be seen by the track record of the sellers I listed above - outside of the occasional random mistake that we all make, there is little excuse for accumulating Negatives. In my mind, a seller that has 98% is probably running more like only 70% of customers truly happy with their purchases. A seller with less than 97% is generally a complete disaster.

Hope this helps.