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POS systems are often designed for a variety of clients, and can be programmed by the end users to suit their needs. Some large clients write their own specifications for vendors to implement. In some cases, POS systems are sold and supported by third-party distributors, while in other cases they are sold and supported directly by the vendor. It is therefore to be noted by developers that some databases like popularly used Microsoft Access may have the specifications that it is capable of usage by multiple concurrent users. What To Sell In A Dropshipping Online Store A POS system can be made to serve different purposes to different end-users depending on their business processes. Quite often an off-the-shelf POS system is inadequate for customers; some customization is required, and kratomearth this is why a POS system can become very complex. The complexity of a mature POS system even extends to remote networking or interlinking between remote outlets and the HQ such that updating ...