Kodi Plex Tivo Roamio OTA MythTV
Hdw cost $150 $150 $385 $150
Software Cost $0 $150 $0 $0
Commercial Skip Y N N (usually) Y
User-friendly x3 N Y Y N
Parental Controls N Y Y N
Mobile Streaming N Y N$ N
DVR N Y Y Y
Easy Series Recording setup x3 N Y Y N
Data Privacy (usage not tracked) Y N N Y
Upgrades Fully Automated x3 N N Y N
Stable operation (Windows OS not allowed) x3 N N Y N
Customize / extend / interface possible Y Y N Y
Recording filtering rules possible N Y Y Y
Remote-driven (no keyboard needed) N N Y N
Total -13@$150 +8@$300 +12@$385 -8@$150

Conclusion:  for someone driven by ease of use and maintainabiiity, the Tivo Roamio is a good choice.