If I read the resources that Bunrpo provided thoroughly and learn from any other resources I could search on Google and Youtube. Is there still any good reason to purchase textbooks like Tobira or AIAIJ?
Those books are not cheap and I’m not sure if they are still have any good reason to buy them. Or they are still far better than online resources and the books are still madatory on learning Japanese?
What is your experience so far with textbooks and free online Japanese learning resources?