Hodlhodl (https://hodlhodl.com/) does what it says on the tin, not much instruction required, not availible in USA
Intro to Bisq (https://bisq.network/getting-started/)
Great Bisq intro video (https://www.youtube.com/watch?v=slhHF1zoLd4) by High Level Bitcoin (https://www.youtube.com/channel/UCQx8FNjPZ8JO9y21K3bYg0g/featured)