Making decisive business decisions is what you do.
How you come to make those decisions can take different tacks, but at the beginning it is always about gathering the business intelligence you need to start making an informed decision.
Finding the right POS system for your store was an early decision you had to make. Having knowledge and experience with that business, you knew the things to look for to help your store run effectively and efficiently.
Now, as you begin the task of bringing new revenue enhancement opportunities to your current business and looking for POS systems to support that, you may not have the same background knowledge to know what to look for.