Mind telling me more about your bisq experience? I haven't used it particularly so.
It is very different from centralized exchanges and even other DEXs, so I won't lie and say that the first time you use it is completely straightforward. It does take a bit of time to set up and learn how their trading and escrow services work, but once you've got the hang of it it is completely fine to use and probably the closest we have every come to completely decentralized trading.
They have extensive documentation, user guides and YouTube tutorials, as well as a great community who can help out with any technical issues (links included at the bottom). Of all the trades I have done there, I have never once had an issue with the other party not paying, disputing the trade, or something similar, and never had to involve a mediator.
When you use it for the first time, your account is "unsigned" and has a limit of 0.01 BTC. Once you've done a few successful trades with trusted users, this limit will be lifted.
Wiki -
https://bisq.wiki/Main_PageDocumentation -
https://docs.bisq.network/Simple "Getting Started" guide with videos -
https://bisq.network/getting-started/More in depth "Getting Started" guide -
https://docs.bisq.network/getting-started.htmlForum -
https://bisq.community/