Look to buy for a 3 floor home

shuld i go with just 2 main and pay 10$ of tax or shuld i pay 20 $ or more to be able ot mesure the ac and dryer and stove

How should I decide what options to go with

At this point, we really don’t have enough information to help you make an informed decision. What exactly are your goals and requirements? What does your electrical service panel look like? What country are you in?

i live in usa goal is hard to decide at the minum both of the 2 mian phase monor it a norm usa panel inside with a main breaker and a lot of sub breaker would love to messure what the aiircon and stove adn driiser is using but that 10$ each