You check using your supplier for the available stocks, and alas, they have enough 2 stocks left.
Yes, you CAN make cash out of that, but if you're after the BIG income, you needs to sell a lot, so you an increased level of way to deliver those items towards customers. https://Goelancer.com/question/the-1-way-to-find-exactly-for-you-to-sell-on-ebay-to-make-money/