This question has been asked and answered numerous times in numerous threads.
I believe that TPMS will eventually save your fifth wheel from damage due to a blow out. I won;t leave home without it. I had it on my fifth wheel and it warned me of a blow out at least 3 times. I was able to stop and change the tire before it disintegrated and damaged my trailer.
I use TST and am very happy with it.
Cheers,