Main Reasons eBay Businesses Fail?

[back-spin]

What would you say are some of the main reasons eBay businesses fail? You can break them down into top 10 if you want. 

I think this type of info can help people to learn what to avoid doing. 

[mam98031]

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@papermoneyforme wrote:

When Ebay acts like a God, treats buyers like Gods, sellers are fighting a losing battle.

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While I'm not willing to go quite that far, I do understand and respect that Ebay has a ways to go to get the sellers on appropriate footing on this site.