Amazon has the TP-Link 8-Port Gigabit Easy Switch (TL-SG108) for $19 - $1 off coupon clip (in Special Offers) = $18 with free shipping on $35+ or with Prime. Features fanless design, metal case, one switch made to expand network: 8× 10/100/1000Mbps RJ45 Ports supporting Auto Negotiation and Auto MDI/MDIX, Plug and play, no configuration needed.

Has excellent Amazon Reviews.

Amazon has the TP-Link Deco AX3000 Deco X55 WiFi 6 Mesh System 3-Pack for $160 with free shipping. List price: $190. Covers up to 6500 square feet with seamless high-performance Wi-Fi 6 and eliminate dead zones and buffering, connects up to 150 devices. Better than traditional WiFi booster and Range Extenders. #1 Best Seller in Whole Home & Mesh Wi-Fi Systems.

Has excellent Amazon Reviews.

Amazon has the TP-Link AC1300 USB WiFi Adapter with High Gain Antenna for $20 with free shipping on $35+ or with prime. Features Dual-band WiFi support, up to 867 Mbps speed, MU-MIMO technology, 5 dBi high-gain antennas, Compatible with Windows and macOS.

Has good Amazon Reviews.

Amazon has the TP-Link AC600 USB WiFi Adapter (Archer T2U Plus) for $15 with free shipping on $35+ or with Prime. List price: $20. Features 2.4GHz, 5GHz High Gain Dual Band with 5dBi Antenna, this compact USB Wi-Fi adapter provides long-range and lag-free connections wherever you are.. #1 Best Seller in USB Computer Network Adapters.

Has good Amazon Reviews.

Amazon has the TP-Link AC1200 Dual Band WiFi Extender (RE315) for $24 with free shipping on $35+ or with Prime. List price: $50. Features transfer speeds up to 857Mbps, Ethernet port. #1 Best Seller in Repeaters.

Has good Amazon Reviews.