I'll compare the TiVo Edge for Antenna, Tablo, AirTV, HDHomeRun, and other DVRs so you can pick the one that is best for you.
Ten reasons you need a DVR if you watch Broadcast TV:
https://www.disablemycable.com/blog/reasons-you-need-a-dvr/
The best DVRs for broadcast TV:
https://www.disablemycable.com/dvr/
Detailed reviews for each DVR:
https://www.disablemycable.com/dvrs/