Iām of the position there will be a pre-trib rapture. Between now and then, things might be a bit rough so yes have some preps on hand. I look to Joseph who had warning things were going to be rough so he got ready. We should do the same as much as we able and let Our Lord take care of the rest.
Proverbs 27:12
A prudent man foreseeth the evil, and hideth himself; but the simple pass on, and are punished.
https://www.biblegateway.com/verse/en/Proverbs%2027%3A12
1 Timothy 5:8 But if anyone does not provide for his relatives, and especially for members of his household, he has denied the faith and is worse than an unbeliever.
https://www.bibleref.com/1-Timothy/5/1-Timothy-5-8.html
I think some tribulation saints survive. After all some one has to repopulate the earth once the Antichrist and the ones who took the Mark are removed from the Earth prior to the start of the Millennial reign.
We who were caught up prior will have glorified bodies and be like the angels in Heaven neither marrying nor giving in marriage. Matthew 22:30