It's not about religion. It's about faith. Faith comes by hearing the word of God. If you hear it, and accept it, he will come and live in your heart. After his death, (or should I say resurection) he said he will come to us, and he has.

All religions stem from the jewish religion in the bible. Religions are just acting like they are jews. Religious organizations are all man made, and a believer in God would not lay down another foundation then that which has been laid. Jesus is the Rock. The gospel is out. What gives me the right to start my own religion? We are to buy the truth and sell it not. Jesus said, come buy without money.

Religions disagree cause they make all their beliefs known. If we make all our beliefs known, how many of us will agree with each other in everything? It's very common to find two of the same religion disagreeing about spirituality or the bible.
To me, all religions are branches from the same tree.