Cost is an issue? Assuming you got hosted SharePoint only I think it's $4/u/m...
Tiny capacity, though.
1 TB per user?
That's ODfB. The Sharepoint storage proper is like 100MB.
OMG, that's near useless!
It's only for documents. Goes a long way when used as intended.
Used as intended? That's a joke, right? Storing large PDFs should be a part of the intention. DWG files can be huge.