Copied this of the eBay Help page. There really is a big difference in FVF on Store sales!
Final Value Fees: eBay Store
Closing Price
Final Value Fee
Item not sold
No Fee
US$0.01 - US$25.00
10.00% of the closing price
US$25.01 - US$100.00
10.00% of the initial US$25.00 (US$2.50),
plus 7.00% of the remaining closing value balance
US$100.01 - US$1,000.00
10.00% of the initial US$25.00 (US$2.50),
plus 7.00% of the initial US$25.01 US$100.00 (US$5.25),
plus 5.00% of the remaining closing value balance US$100.01 US$1,000.00
Over US$1,000.01
10.00% of the initial US$25.00 (US$2.50),
plus 7.00% of the initial US$25.01 US$100.00 (US$5.25),
plus 5.00% of the initial US$100.01 US$1,000.00 (US$45.00),
plus 3.00% of the remaining closing value balance (US$1,000.01-closing value)
Final Value Fees: Auction/BIN/Best OfferClosing Price
Final Value Fee
Item not sold
No Fee
$0.01 - $25.00
5.25% of the closing value
$25.01 - $1,000.00
5.25% of the initial $25.00 ($1.31),
plus 3.25% of the remaining closing value balance ($25.01 to $1,000.00)
Equal to or Over $1000.01
5.25% of the initial $25.00 ($1.31),
plus 3.25% of the initial $25.01 - $1,000.00 ($31.69),
plus 1.50% of the remaining closing value balance ($1000.01 - closing value)