The best thing about using POS is do your billing offline or get orders online both are synked and works toegther for ease intventory managment
Billing software for ecommerce make the payment transaction easier by accepting payment through different means. It just completed the process within a minute as well.
When a sale has been made on mobile or in app or in desktop website the inventor list gets automatically updated on a while.
You can judge how your website is functioning and can track what is the ratio of sales and growth of your business. It is the free point of sale solution for you.