Vendoo.co is considered legit by many users and reviewers. It is a crosslisting service that helps sellers list their items on multiple marketplaces like eBay, Poshmark, Mercari, and Facebook Marketplace. Users appreciate its user-friendly interface, flexible pricing plans, and the ability to save time by automating the listing process. The platform has received positive feedback for its customer support and reliable performance. However, some users have noted the need for additional add-ons to fully utilize all features, which can increase the overall cost. Overall, Vendoo.co has established a reputable brand name in the market.