Don't think I'll have much of a problem with 5G here, the local telcos already programmed their cell LTE radios to display 5G on newer phones so the kids are happy... and the telcos spent nothing. Local cell towers are still fed with copper twisted pair so bandwidth is not an issue... there just isn't any.

Would be a major upgrade to get fiber run to the cell towers. Looking forward to when it takes less than two days to deliver a text message.
As far as C-band, the nearest tower is 3mi north of me, the other is 4mi streight south. (If) they ever get to installing 5G radios there might be some interference if there are channels in the 3-4GHz range, but I expect that to be directed to the nearest town. Those antennae would be pointed 90deg away from me so it likely wouldn't bother. The town is also about 4mi SW of me so if they install small A/P radios around town the trees and buildings would shield my C-band antennas quite well.
Time will tell I guess.