Amazon has the TP-Link AC750 Dual Band WiFi Range Extender (RE220) for $24.99 - 10% off coupon clip (in Special Offers) = $22.49 with free shipping. List price: $35. Extend Wi-Fi Coverage - Boost Internet Wi-Fi Coverage up to 1200 Sq.ft and Connects up to 20 devices. Features transfer speeds up to 750Mbps, Ethernet port. #1 Best Seller in Repeaters.
Has good Amazon Reviews.
Amazon has the TP-Link Deco M5 Mesh 802.11ac WiFi System 3-Pack (Deco M5) for $150 with free shipping. Features creates a mesh network that can cover homes up to 5,500 sq. ft., connect 100+ devices at the same time, app-guided setup process.
Has excellent Amazon Reviews.
Amazon has the Netgear AC750 Dual 802.11ac WiFi Range Extender (EX3700-100NAS) for $24 with free shipping on $25+. List price: $47. Features WiFi range coverage up to 1,000 square feet, connects up to 15 devices, wired Gigabit Ethernet port, up to 750Mbps speed.
Has above average Amazon Reviews.