It would be cool to see a wallet that somehow showed the mempool before sending.
This would be a great feature. Although, an easier one would be like Exodus did:

I'd like them to explain how they choose their description for fees. Or maybe they should show a graph or something. That would be much more useful for newbies.
They could even add explanation of description for custom fees in their
FAQ.
I'll send them feedback, they might consider it.