I noticed a small crack on one of my antennas that connect to the remote control and not sure what to do. I am wondering if anyone here has had to replace a remote control? What's the process like? Can I just find one on Ebay? I have StateFarm insurance for the drone but don't really want to file a claim if they are not expensive and I can just buy a new one.

Hi!
You might be better off posting your question in the 'products' section of this forum.
That is way more active.

Hello there Adam Flurk. I am sorry to read and to know what happened to your DJI remote controller and thank you for reaching out. Since this unfortunate issue happened I would recommend you to contact our DJI support team at https://www.dji.com/support?site=brandsite&from=nav for further assistance. Just a reminder that  DJI do not recommend doing a DIY in fixing the said DJI remote controller to avoid further damaging the said unit. Again I am sorry for the trouble this has caused and thank you for your understanding.