Replying to Really need help on picking bindings (clueless)

Hey ns, I’m looking for some help with bindings and I’m completely clueless tbh.
I need bindings for Salomon Rocker 2s (They have a 100mm waist) i know skis pretty well but not much about bindings, i am 5”8 and around 110 pounds and need a binding that will work for all mountain powder and park, a due it all type of binding, I’m completely clueless on what brake width I’m going to need to get too, with a 100mm waist will i need a 100mm brake width? Any suggestions and help would be GREATLY appreciated, i am looking to spend 100 - no more than 150$ on them, thanks Newschoolers!