You can easily improve your conversions rate and increase sales by using various promotions. For instance, there is a good opportunity to run best daily deal, deal of the day, or any Groupon clone promotion on your Magento 2 website. You only need an appropriate Magento 2 extensions to be installed. The best Magento 2 deal-of-the-day extensions are gathered in this post.
The following deal-of-the-day modules are already available if you use Magento 1.X, so they should be available for Magento 2 in the nearest future: