becoming a owner operator

hi all i am a green card holder and i thinking work on usa have some driving experience in Turkey like 3 years i am using dodge as 950

i need clear my head wondering somethings about becoming a truck driver in usa.
is to hard take driver licence for heavy trucks ?
is to hard to find a job in some tranport companyies
and after them i need save some money and i will buy a truck and become a owner operator that is my plan.

can you guys tell me i have no experience on usa roads and licence how much time i need to have my licence and how much cost for licence.
i dont smoke i dont use drugs and alcohol and other things i like work alone and i like drive big trucks.
A expert owner operator how much money make for a year ?

Thanks for answers and apoligy my weak english grammar

 

all of the entire Turkey Diyarbakır Erzurum Mersin vs vs vs and a couple of times visit the Artvin to where do you hear Artvin lol there are some expression mean in Turkey"if you go to the Artvin and taking no damage at all you mean really good driver" something like that i use botbail trucks like dodge as 950 in some building sites and sometimes i use ford cargo 3235 c i never use truck- trailer

 

i dont have driver licence for usa how much time i need get one

 

i hope so i never crush i never get penalty frıom polices

 

thanks dude your words a little how do i need say i dont know :it relieved me.
i can understand all conversation with every body and i can explane my self but a little bit study for grammar