Amazon has the Netgear 5-Port Unmanaged Gigabit Switch for $15 with free shipping on $25+ or with Prime. The NETGEAR 5 Port Gigabit unmanaged Switch provides an easy, reliable, and affordable way to expand your network connections in homes and small offices. It is plug and play and features a rugged metal case, also include Auto MDI/MDI, LED indicator on Each port.

Has excellent Amazon Reviews.

Amazon has the Asus RT-ACRH18 AC1750 WiFi Router (RT-ACRH18) for $31 with free shipping. List price: $90. Has 3000 sq ft maximum range. Has good Amazon Reviews.

Amazon has the Netgear Orbi Pro WiFi 6 Mini Mesh System (SXK30B3) for $180 with free shipping. Features coverage up to 4000 sq. ft. and 40 concurrent users.