Negative feedback goes a long way. Nowadays with all the seller rating b/s, it is very easy to get your competition's listings down to page 32 lol. If they are persistently receiving negatives then their listings won't even show up.
You should of already had a few sleeper accounts for occasions such as these. Looking to create Bay accounts and then leaving negs, doesn't always work out. Newly created accounts and negative feedback, it's kind of obvious.
I used to sell certain digital items way back when, after a while someone decided they wanted a slice of mah pie. They listed items half the price of mine.
One nice thing was I was already doing it for a while, so my listing showed up before his and I had many feedback on this particular item. So people would usually choose my listing. Still, I was losing competition. You want to try and scare them off. Nothing illegal or life threatening, just paranoid and not wanting to worry something that'll make them quit. It is pretty easy to find out personal info on someone, especially someones Bay account. Usually they post the zip and town in the listing. When they send messages or their homepages sometimes have their names. Even their user name can hit some results doing a search. A pretend item buy will get their address or something you can work with using the big G.
Write up some b/s professional looking cease and desist letters, negative feedback the shit out of his account. But not stupidly or one right after the other(different ips of course). Write a review or start a blog or forum post about how he scammed, or sells used items as new blah blah blah.
If they search his screen name up online and it also has negative reviews on other sites about him. (Not all trash talking or sob stories) Just plain bad business techiniques. They are less likely to go to him and to look somewhere else.
Also, people usually look at more than one listing. If you offer incentives, extra accessories, even a 5% off coupon next purchase. Something that catches their eye and makes the people more likely to go with you. Or at least say: "Hey this guy seems more professional, or knows what he's doing."
I don't know, you are probably looking for something else. The question is hw much of a risk do you want to take?
Here is some usefull information from a wise member of the BH community:
Anyway, you have to remember, there's a difference between immoral and illegal. Most blackhat stuff is immoral, you just have to decide how immoral you want to be
