Video Games

Cheap steam deck, seems legit enough in chat but wants bank transfer and won't meet in person. Obviously red flag but I mentioned this and they said

if you dispute it with the bank they further carry out an investigation which leads to me having a cifas marker which prevents me from using any banks for the next 6 years.I dont think thats really worth it over £120 would you not agree?

They won't use paypal as have had people receive goods in the past from marketplace and then open a dispute anyway apparently.

Is there a way to buy on marketplace with protection or is it an absolute mine field?
Obvious advice is to swerve it but if there was a way to give it a go with some protection, I'm keen on the price

https://www.facebook.com/marketplace/item/1300277650999764