In any case, I really want to move to Europe long term, potentially migrating
If migration is on your mind rather than DNing take a look at skill shortage lists for different countries, i.e. the ones they are looking outside their own country for and giving preferential treatment to.
Airbnb and all Airbnb competitors are drawing on the same housing inventory. There's not something clever or cute a competitor can do to "hack" it because property owners are unlikely to move to a competitor that offers less compensation