or use a lower than recommended Bitcoin miner fee?
I pay less than a dollar for bitcoin transactions and it usually takes 20-30min for getting a confirmation for me. I guess this fee is not too much yeah?
found out that I can move my btc private key to another wallet,
If you have control over your keys, it means you are using a non-custodial wallet. May I know which one? On mycelium mobile wallet, it has fee auto-set according to your priority. Also, better use a native-segwit (bech32) type address than the typical legacy one.
The current average bitcoin transaction fee is:
0.000048 BTC ($0.817)