Sky Broadband does not bill for Xbox Live. Xbox Live Gold / Game Pass Core is a Microsoft subscription — you pay Microsoft directly.
| Goal | Purchase |
|---|---|
| Online multiplayer (Xbox 360/One/Series) | Game Pass Core ($10/mo or $60/yr) — includes Gold |
| Game library + Cloud + Gold | Game Pass Ultimate ($17/mo) |
| Just internet | Sky Broadband alone (no Xbox sub) |
Sky = pipe. Microsoft = service. Bundle = convenience (one bill), but check if standalone GPU + cheap ISP is cheaper.