Since they lost the patent there are a lot of more afordable lego options. If you want this set specific there are apps that tell you all the bricks you need and you can order bulk from china or something.
Of couse original Lego is awesome but some out of line sets are impossible for the regular person. Even some that are still sold by lego can be impossible. So don’t go into debt to by a lego set.
Is it tho