There is nothing wrong with that.
No, If you see the tip of the penis (the head) the man is Circumcised
Abraham. He was 99.
No. Circumcision has nothing to do with fertility.
No. If you want to be circumcised, you should see a professional.
Per Jewish religion; and Islam religion; all males should be circumcised.
Circumcised means that the man has had his foreskin removed. In Jewish males this normally happens about a week after birth, cicumcision can be carried out at any time though. There are instances where females can be circumcised but I don't know how that works!
About $4.000
No, a man does not have to be circumcised in order to father a child.
Yes, yes it is.
Circumcision has nothing to do with catching diseases.
Yes, if the first circumcision went wrong.