Try to win at eBay, say

• Offer a price for at auction
• Try to buy
• Try to buy via eBay
• Try to get, in a way
• Try to win, as auctioned items
• Go for a lot, maybe?
• Try for, at Sotheby's
• Try to win, at an auction

Wiktionary Word definitions in Wiktionary
n. (context cycling English) A water bottle.