I currently have a Netgear N750 WIRELESS DUAL BAND GIGABIT ROUTER (WNDR4000).

I live in a 10,000 sq foot house and the router barely covers anything. I was wondering how I can increase my wireless network?

Would setting up a Hawking Tech Hi-Gain Outdoor Wireless-300N Dual Radio Smart Repeater help me at all, if not what can.

If I am going about it all wrong please tell me exactly what I need to get.

Thank you in advance.