In your article on the End Times According To Jesus Part 4 you mention Matt24:31. Since that verse follows the verses on the Tribulation, doesn’t that verse refer to the elect that make it thru the Tribulation gathered to enter the earthly Millennial Kingdom about to begin? I think verse 30 is the Second Coming. Doesn’t the term Son of man refer to Our Lord in earthly terms?
Matt. 24:30 does describe the 2nd Coming, but verse 31 speaks of gathering the elect from one end of the Heavens to the other. There are not surviving believers on Earth, but raptured believers in Heaven.
Mark’s account mentions both groups, indicating that there will be believers in Heaven ready to come back and believers on earth ready to enter the Kingdom when the Lord returns. (Mark 13:27)