I got lucky on mine sorta....I was bidding on other items from the same seller so he combined shipping. So I guess you could say I got the extension for .99, sorta!
I always start my auctions for $0.99 or $.01, to get the bid count up and to build momentum and early interest. I never make a penny on shipping. If they overpay for the shipping, I refund the difference. If they under-pay, I eat the difference. Yum.
Not tools, but they'll need them...I just today recieved my turn signal assemblies for my 71 Blazer from eBay. Won then for a buck with $10 shipping. Got a full dash assembly for my 90 Mustang last year for $0.99 with 410 shipping too.