Dodged a bullet on that one!
But of course if it’s a floor mat that’s worse than carpet because it keeps water underneath.
If it’s covered in bedliner, that can be good, or it can indicate they covered up rust with it for a quick flip. Happens all the time.
If it’s just bare painted metal, you can see all the blemishes and know what you got.
But yes, either way you’re in good shape as far as the rain goes other than the rubber floormat scenario.
What are some of the specifics of your new purchase?
We love pictures here and love to see what people have, but more importantly perhaps we might be able to help see any problems you might encounter up front before you drive it too far.
I saw your other thread about the jammed door latch and that’s fairly common for two or three different reasons. But even if the vehicle was recently painted and rebuilt most don’t bother to replace the latches.
If they are new they probably just need adjusting. If they are old they probably need a good cleaning.
They only wear out occasionally, but they certainly get gooped up over 50 years or so.