Suggested options to test:
https://kycnot.me/?t=exchange&q=&fiat=on&cash=on
‘Convenience’ is a relative term and ... can be difficult to achieve at present.
I suggest using Bisq:
- exchange XMR for BTC (e.g. inside Bisq)
- exchange BTC for fiat cash (there is such an option in Bisq)
Bisq v2, which gives even more options and increases privacy, is currently in beta: