Lowered it from 0.015 to 0.12
Transaction fee goes up and down.

Take a look at average fee charged from monero.
https://xmrchain.net/

You can see that 0.010~0.035 fee transactions are confirmed.

TXFee from pool is not intended for profit. It's just how monero network works and can't bypass this fee.

This is why many monero miners are using auto exchange feature. It pays much less.