I've been a believer in Tire Pressure monitors for several years and I've had at least one "save" because the system warned me before the tire was completely flat.
This week I had my SECOND instance where the weight of the TPMS sensor was too much for the valve stem and actually caused the valve stem to crack at the wheel and start losing air. My caution - by all means use a TPMS system of your choice BUT be sure to use full metal valve stems that bolt to the rim (not just pulled through the hole in the wheel). I'm going to get all my trailer wheels fitted with them this week.
These will do the trick.
https://www.etrailer.com/Tire-Inflat...vIIRoCCj_w_wcB