I haven't read the other replies yet, because I wanted my comment to be fresh on the original questions.
Is there a God? Is the Bible inspired by God? Did Jesus exist? Why are there so many religions? I don't know. After deciding the WTS is full of crap, I have a hard time believing anything. I'm afraid to commit. But I have done some research-
I believe that Jesus was a real historical man, but many experts suggest things similar to THE DA VINCI CODE, that we only know what was passed on, but unlike that book, they think he was JUST A MAN. It is possible that the Gospels were written to make him the Messiah. Matthew's Gospel addresses how to make him born in a certain place, but be from another. The other gospels either offer a different beginning explanation or they just skip it. The same with other "prophecies." The writers deliberately said things happened as fulfillment. Perhaps Jesus was an expert on Jewish scriptures who said great wise things, rode a donkey to Jerusalem, proclaimed himself [son of] God. Do we need 4 Gospels that are almost but not quite in harmony? What of other gospels that may have been written that didn't line up with the other 4? Was Paul a guy like Joseph Rutherford or Jim Baker, or was he actually contacted by Christ?
If the first century through thrid century church re-wrote and edited, could we have a fanciful story that many believe as true. Virtually none of the scholars accepts the prophecy of the Old Testament. They think most [or all] was written after the fact. What if the gospels were not all written until everyone got their story straight- why wouldn't they be more in harmony if they were true?
I don't think the laws of the OT are from a God. They are from the priests and leaders, written mostly near and after the Babylonian captivity. The priests gained credibility for YHWH when Cyrus allowed them to go back and rebuild the temple with his blessings. Other Hebrews said that maybe these guys are right. Then they needed their laws to control the people. Complicated laws, they made it up to suit themselves. Did ANYONE ever FULLY OBEY those laws? I doubt it. The laws of the OT are not from a loving God- true.
Jesus really existed and that he got a lot of people exicted enough to start a new religion because the priests were losing their grip at that time. There were tons of Messiahs around the area. Most were discovered to be false. Jesus died, others made him what he is.
ALL THAT I SAY, I KINDA SORTA BELIEVE. I don't really know either, perhaps the fundamental Christians are right.