When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Have you searched the info available here? There are so many factors involved. The question is too broad to answer in its current form. No offense intended, but if you search, you may be able to narrow your question within answerable (is this a word?) parameters. The search button REALLY IS YOUR FRIEND.