Look at
Ebay stock;
http://finance.yahoo.com/q/bc?s=EBAY&t=my&l=on&z=m&q=l&c=
For that time frame alone, I see 300x times your investment. $1000 invested
is worth $300k today.
Point is, no matter what, people use the service all the time and they generate
profits. It's becoming more like a business venture for the clever folks, people
who are skilled in the art of finding a below market deal on any item and
then turning it over and selling it for market value. Most of the successful sellers
are just in the market of churning items for profit, there is no reason to scam
to taint their business.
/opinion
In the car audio world, there is more young folks interested in selling these
items vs. older folks and younger folks will be 'more juvenile', to get over on
people.
I was able to snag 12 proamps used this past month for a great deal, take advantage
of someone elses "I don't want this anymore' syndrome, let them take the hit, ie buy
it new, hold it for a while before they get bored, and dump it for a big discount.