On the other end of the spectrum lay the POS systems developed in-house, based on very specific requirements of the business. Some companies opt to take this path due to the very detailed company practices that just can't be easily integrated into most readily available POS software in the market.

The patent advantages are flexibility and the ability to effect specific changes in a quick manner, since, basically, you own the source codes of the program. Belo warns, however, against quickly diving to DIH POS systems for those reasons alone, since it can only be had by certain companies with unique requirements.

"When we had only 10 stores, the OTS POS system was pretty manageable," Belo shares. "But when we expanded, and we couldn't handle it anymore, we had to upgrade to a bigger system. It really depends on your needs."

When implementing your own POS system, Belo says it's important to account for the entire process flow before setting the project in motion. "Make sure you have the entire process flow ready, and try to be complete. When you're in the middle of the project and you decide to change a certain aspect of the business process, the project will be delayed. It can get problematic," she suggests.