Is It Possible to Become a Real Estate Agent Part-Time?

I know a lot of people over analyze every detail about this process if you feel comfortable could you share even like the percentage that you usually take off of commission or like let's say I live in Los Angeles so the houses are one cajillion dollars right now but let's just say a house is $500,000 do you get like a 10% commission or what kind of numbers would translate into their own salary. As a listing agent you set your own commission and again I'm just speaking for Illinois it is a little bit different in every state so you'd have to look up each state's rules  in Illinois as a listing agent that is something that you would decide with your client