Apparently, positive pregnancy tests are an item some will pay for. Why? We don't know -- but one Buffalo woman is taking advantage of the burgeoning market on Craigslist. Her ad, originally posted earlier this month, offers positive pregnancy tests for a bargain rate of $25 (scroll to see the ad). According to the posting, the seller was receiving such a high volume of requests for her to pee on a stick after she announced her bun in the oven that she figured she'd sell them for profit.