We may very well be in the last days, we very well may not be too.
I will fasten my seat belt when the temple is rebuilt. It hasn't started to be built yet to my knowledge , arguably to build it to specifications may take at least ten years or longer.
Prepare as if it will happen tomorrow, plan for it not happening tomorrow.
YEs to be in Christ through faith in the grace of God is the answer for us all, No doubt about that.