The starting price does not affect the cost of the
auction
to the seller, its the selling price that determines the cost.
On ebay.co.uk the listing fee *does* depend on the starting price.
IIRC ?0.99 and below is ?0.15, ?1-?4.99 is ?0.20 etc.
If you have never sold items you may not know that the
seller
can see how many people are "watching" the item.
Although not who is watching ....
I add anything interesting that I come across to my watch list.
It might be because I wish to bid, it might be because I'm
interested in seeing what it goes for, it might be because
I need this particular type of widget and I find the watch
list a convenient way to keep track of multiple items before
deciding which one to bid on (and which one to bid on next
if I lose ...).
If I'm really going to bid, I'll probably line something
up in a bidding tool and just "let it ride" without ever
bothering to "watch" the item.
Antonio