$250 Netgear Orbi AC2200 Tri-Band Whole Home Wi-Fi System RBK40 – Fry’s BM Only

http://frys.com/product/9150488?s…IN_RSLT_PG
I believe this is the cheapest for the RBK40 which is AC2200 vs the RBK50 which is AC3000. Nevertheless should be fine if you have a 4000 ft or smaller house.