I'm going to make my mom pay for either netflix or hulu if her new bf is using them
Why would you make her pay for it?
I find it annoying when they are in her house watching stuff
It's totally acceptable to make your mom pay for those if her bf is also using them. You should always be paid what you're due.
I'm going to talk to her bf about this issue.
That's great you want his input as well, it will make it feel like he's more part of the family! Having your own boundaries is healthy as well, and wanting your mom to pay for certain things because of her boyfriend is totally okay. Hopefully you can ease up when you're more used to the new dynamic!