Shady dealers do use eBay, so pay close attention to their ratings.

I don't use eBay that often, but that's fine.

There are also issues of how negative feedback after an auction can offset the benefits of using eBay as a trading platform.

(Portero uses eBay as a platform to present its auctions.)

"I use eBay as kind of the Nasdaq for toys, to really see what people are believing is going to be hot."

We're not in a heavily populated area, and we mostly use eBay.

"There is this whole subeconomy of small businesses who use eBay."

So exactly who are these small businesses that use eBay as a staging ground for e-commerce?

Mr. Nguyen has also started using eBay as a test bed for pricing.

The company occasionally uses eBay to sell off discontinued merchandise.