and how many flight hours should I take , also , what is the average cost of a flight hourshould I get my PPL , will it increase my chances

So , if I would be able to somehow resolve the citizhenship issue , I would be in much better situation , I presume , right ?

I am 26 years old , I live outside of the united states ........but here is the deal...I have a green card ( permanent one ) , I have finished 4-year college     ( PE) in my country with really good grades and good GPA( around  4 ) , I have never broken any kind ow law , in perfect health , never had any kind of surgery ...