Take advantage of free trials on apps to find one that work best for you.

As a new store owner, experimentation is crucial. I strongly advise using and testing out the several apps' free trials in the Marketplace. Prior to becoming further busier managing your store, decide which apps are most useful. Of course, in order to determine which apps are most successful, you'll need to make sure that you have visitors and sales. I advise beginning with business-growth applications like upsell, and abandoned cart apps.