How to Set Up Silent Receipt Printing on a Web POS (Without Annoying Browser Popups)
Eliminate checkout lag. How independent retailers run silent, automatic receipt printing on Epson and Star thermal printers using open POS standards.
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The Real Cost of Square & Shopify POS: How to Run an In-Store Register with Zero Monthly Software Rent
The three-year arithmetic of per-register software rent, with the self-hosted alternative measured on a real server: 536 MiB of RAM and roughly $12 a month.
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Best Self-Hosted Retail POS Software with No Monthly Fees (2026 Guide)
Odoo 18 deployed and measured on a live VPS: 536 MiB with three workers, 77 seconds to install the POS modules, and the one setting that decides whether the WebSocket port exists at all.
