This excerpt covers some of the differences between computer and mobile point of sale systems, costs related to each system, and very new differences between mobile 1.0 and 2.0 point of sale solutions.
Can I help? Over the last 15 years I have helped thousands of retail stores and museums find the perfect point of sale system. My advice is free! You can reach me at 208-340-5632 or firstname.lastname@example.org - there is also a contact form on the right hand side of my blog.