As one of its daily deals, A4C offers the used Apple AirPort 2TB Time Capsule for $99.95 with free shipping. That's $102 less than the best price we could find for a new one. Time Capsule is an 802.11ac WiFi base station with a built-in hard drive. It's geared towards Apple laptops for use with Time Machine Mac OS X. Deal ends today.
Note: No warranty information is provided, but it's covered by A4C's 30-day "just because" return policy.
You don't need to hire a contractor or do extensive renovations to add value to your home.