Heads up. For those of you who have the app, you might want to delete it . There's a class action lawsuit in Illinois that's been filed. It says the app collects more info than it needs and more than it discloses.
Bear in mind, its sister app Pinduoduo was caught planting malware. It was spying on other apps, reading notifications and messages and changing user's settings.
The cheap deals ain't worth it.