@SANDERS53
Generally, no; the prices of your subscriptions will not increase. Some subscriptions have a limit /maximum number of streams that can occur at the same time, though. In such cases, these subscriptions may offer different plans at a higher cost that allows additional streams.
Roku Community Streaming Expert
Just another Roku user... I am not a Roku employee.
Insignia RokuTV, Ultra 4660, Premiere+ 3921, Express 4k+ 3941, Streambar 9102