People say you should always buy with your team, but what if for example: Calling a save (e.g. only having enough money to get cheaper weapons bucky etc...) but my entire team forces / full buys instead and has no spare money What should...

I'm a hard stuck Platinum player and I am struggling to find a perfect balance between having solid aim vs solid movement, I can't seem to perfect one, without sacrificing the other which is undoubtedly stopping my progression to higher ran...