Dillion carbide die set for .30 Carbine is $99.95.
When I bought my RL550 (20 years a ago) it was $29.99.

I see they have listed Remington unprimed bulk brass for .30 carbine. Packs of 100.

1 ..pkg... $23.62
5 ..pkg... $115.15
10 .pkg... $224.30

But says call for availability.