If you really want to increase your sales then you need to focus on your website and implement some of the following points:-
• Offer a limited-time price discount where visitors must buy before a certain date in order to qualify for the discount.
• Offer additional bonuses for free if visitors buy within a certain time frame.
• Offer only a limited quantity of your products or services.
• Also include product review so that buyer gives review for your product because it’s a great influence on customers buying decision more good review more revenue as we know.
Here I search one extension Auto Review Reminder Emailer which helps to getting more review for your product it allow to send E-mail automatically and request to write product reviews.
One more Extension Special Product Tag helps you to highlights products with special price on your store so that customer knows about current discounts.