$135 $150
Amazon has the 3-Pack TP-Link Deco S4 Mesh WiFi System for $135 with free shipping. Newegg has it for the same price. Covers up to 5500 sq. ft.
Amazon has the TP-Link Archer AX21 AX1800 4-Stream Dual-Band Wi-Fi 6 Smart Router, Works with Alexa (2020 model) on sale for $100 with free shipping.
Newegg has the NETGEAR XS505M 5-Port 10G Multi-Gigabit Ethernet Desktop/Rackmount Unmanaged Switch for $400 - 20% off with code 28UPTNP344 [Exp 1/18] = $320 with free shipping.
Newegg has the TP-Link T2500-28TC/TL-SL5428 24-Port 10/100Mbps Jetstream Managed Switch with 4-Port Gigabit L2 Managed Switch for $50 with free shipping.
Ends 12/30 at 9PM PT. B&H Photo Video has the refurbished TP-Link Archer A7 AC1750 5GHz Dual Band Gigabit Smart WiFi Router with Alexa, Parental Control & QoS on sale for $28 with free shipping.