I am going to disagree with you all. Once you go Fold you never go back! There is no need for a tablet or even a laptop. Just a desktop at home with a screen share app. I have been using a foldable phone for several years from the Sammy Fold 3, Fold 4, G Pixel Fold, and plan on buying the Pro 9 Fold.
I use both screens equally. The phones are so convenient in their use.
Does it justify the price? That is a tough one. For the price of a fold you could buy a top tier slab phone, a laptop and a backpack to carry it in. But you can't pack it all into one device that does it all. So, if you can make good use of the phone (personal, work, entertainment, etc) then I think it is worth it. (But I still wish the prices would come down).