Nile has even a masters in chemistry I think, and very likely at least a business entity. So might work. And even for him some things are hard to get, a Canada has similar restrictions.
If you want to order from a supplier typically the minimum bar is going to be a commercial entity and commercial warehouse space in an area zoned for light industrial where you have someone physically present during business hours to sign for deliveries. And that's just the minimum; you'll still run into other hurdles depending on the details.
He does but IIRC he started the channel when he was still a student and did his early videos in his parents' garage. Something like that is unachievable today.