ebay witchhunting
when you're so desperate for a deal you look at eBay like it's a holy book and you won't stop until you find the cheapest item closest to you
He found a watch for $75 but kept looking until he found one for $60, 2 miles away.
She found a book for $12 and kept searching until she found one for $8, 1 block away.
I saw a phone for $300 and didn't stop until I found one for $250, 5 minutes away.