Triggering the FOMO of the target audience, offering a product under a special price for limited time works fantastic to boost the sales.
A potential customer will not want to be left out while others will enjoy this product and leverage the special offer.
If you are a Magento store owner, you can set special prices for products in Magento and Magento 2 respectively with the methods given at https://meetanshi.com/blog/set-special-prices-for-products-in-magento/
Or, you can watch the video that shows the method to set special prices for products in Magento 2.