I want to transfer my BTC from one address to another (both are mine), how do I avoid paying the transaction fee?
For the most part, if you are moving BTC you can not avoid paying the transaction fee.
But if you are using a centralised service like paxful wallet, it is very much possible to transfer BTC from one paxful wallet to another paxful wallet without paying the transaction fee as the transaction is not actually registered on the blockchain.