I just use the tx fee that is set by default, I figure that is enough, or it should be set higher. My txs confirmed, after about 16 hours. I am not sure if it was a coincidence, but I used a couple of those push/txs websites, after I had started the client anew on my friends computer.
But I sent 3, paid the fee, so maybe it was the server I was attached to having issues. Speed of lightning.
But they went through.
What is and what isnt a good fee constantly changes now and ranges from 50 (rare) to 100 sat/byte (more common even often too high). The concept of a default fee is no longer valid.
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Oh, just to say, I must have paid a good tx fee on all, given the blockchain stated I was a "Priority"
"The blockchain" would not state that, I assume you rely on the information given to you by blockchain.info a wallet service and blockchain explorer. It uses an outdated metric that has little to do with fee and is a bad prediction for confirmation times now.
I don't rely on the info from blockchain.info, the wallet diverted me there when I chose the option to check the tx on the blockchain.
I have never had need to get frustrated before, so assumed the wallet would divert me somewhere relevant. I rarely check any txs, because they always confirm, until yesterday. Plus I do not send many txs, although I receive a few.
But obviously I went to other places to see what was said there. I may have mentioned that above.