You have asked three questions, so I will try to answer all three. In Mt 24, Jesus does mention many things leading up to the end. All except two are very general and don't really help in understanding how close the world might be to its end. Rumors of wars, earthquakes etc have always and will always occur. The only two things which are predicted are the successful proclamation of the Gospel of the Kingdom throughout the whole world and the "Abomination of desolations." But how can men decide when the Gospel of the Kingdom has been adequately spread to meet the qualification? We can't. What is the Abomination of desolations? This has been debated for centuries with many saying it has already occurred and others saying it is yet future.
To answer the questions, I suppose I do believe that there will be wars and earthquakes till the end. I do believe that Christianity will not stop their missionary thrust until every unreached people group has had the message of salvation through Jesus Christ preached to them. I have no idea what the Abomination of Desolations is or whether it has already happened or not. People get very dogmatic about things like the Abomination of Desolations, as if they know exactly what it is and when it will occur.
Jesus is my savior in the sense that he has saved me from a living a life without guiding principles. But he is no more of a savior in that regard than many others who have discerned clearly and spoken clearly about living a meaningful life.
What is the "end" about which Jesus spoke? It is the day the Son of Man appears in the sky, traveling from the east to the west so that every eye will see him. At that time he is to gather the "Elect" to himself. That is the end of the story.
He ends with by using a fig tree as an illustration. The main point is given afterward. He says that "This generation" will not pass away until all these things have happened. Which generation? Some say it is the generation that sees the fig tree put forth its leaves as if the illustration were actually a prophecy of some kind. Others say he spoke of the generation that existed around him at that time. If we don't know what or when he was talking about, how can we truly believe anything that he said?
I for one will let history run its course. In the meantime, I will live a life of honesty, unselfishness, purity and love to the best of my very human ability.