In addition to what every FMF Doc/paramedic would carry, I carry a marine first aid kit In the Jeep and boat for man o wars, and venomous sea life. Vinegar, hot packs, tweezer, plastic scraper and standard first aid gear. Remember Not to piss on it as it releases more toxins.
I feel your pain. I had a 2020 Rubicon with similar corrosion issues. The local dealer was was having body shop issues so I took it to where I purchased it and they estimated $19k to repair. So after a couple of months of going back and forth with Jeep. With the dealer and Jeepcares solidly...
I have 35” ish BFG K02s on AEV Salta IIs calibrated for size increase and calculated gearing from 4.10 to 3.92 No substantial changes to performance Or towing a 20’ boat to the keys. I still get 8th gear on the highway.