just like everything in life, there are many options. It's a bit like deciding if you need to go to a gym to get fit. I have seen many people who don't have a gym membership but are still super fit because they know what to do at home. If you can learn from youtube at home and you have the discipline, the resources etc then maybe you dont' need to go to college. However I feel a lot of people struggle to do anything at home without some accountability.