0.01 is the buy price on the Dotbit.me, I think the renewal cost is the same. But you can try other registrars, such as the official Namecoin software.
I bought this domain in july/august 2016, but I'd transferred to my new account at this transaction: http://namecha.in/tx/6eeeaa38337b02f8eb2f77cff8ef8788628e2c57e9279d67ef1ce4ca6e0e7f83