I THINK the transponder is $60 to buy and it’s good for 3 years. Or something among those lines. And it’s pretty much the transponder used in all of CCS so if you plan on doing any other CCS rounds it makes sense to buy
$100 to buy a new one!
$30 bucks to rent with a $50 dollar deposit you get back when you return it!
if you don't return it you own it and you have a hour after the last checked flag to do this.