[GTALUG] short window on a great deal for a mini PC

<https://forums.redflagdeals.com/amazon-com-beelink-ser5-mini-pc-amd-ryzen-7-5800h-415-19-10-coupon-2666115/#p38545218> For me, it worked out to be $293.39 + tax for a Ryzen 7 5800h system with 16G RAM and 500G SSD. This is a "Lightning deal" so it will be over soon (but I can no longer see when).