Should I use these settings for Fixed Price auctions with immediate pay? or just for auction style listings?
If you set them up using the directions on the first page, they apply to all your listings. I personally use them for both the fixed price and the auction listings. What these settings do, is screen out the majority of people who have a history of buying and not paying. It's a one step process. Hope this helps.
After I read this post, I set up my buyer requirements. It works great! It blocked several unwelcome bidders behind my back. When I found that one bidder's blocked reason was too many unpaid strikes, I thought "Hey, I'm not fool to let you bid my item!" Hee Hee