For anything else, I can also highly recommend using local or self-hosted software. Plenty of open source software has even exceeded proprietary alternatives in the last couple years.
I mostly watch movies I have already seen before, but with the fragmentation and constant moving around that's happening with steaming services I would frequently end up using 3+ different ones every month. The constant cancel/renew cycle was a real hassle and very error prone, I would often forget one or two.
I only watch about 20 new movies a year, so even without hunting for bargains I will easily save a lot of money. But I will be looking for bargains, because why not.
I also visit my local library almost every week. They have a surprisingly excellent movie and tv catalog!
I have now cancelled all my movie and music streaming services!
I'm really just spitballing here. Seems really difficult to pull off, but what would such a system look like if we didn't design it for profit extraction and instead designed it to cut out all the middlemen? To really just make it as easy as possible for artists to connect to listeners. If we designed it without a desire to get rich