Seeing the US flag, my first response was liability. Just read customer reviews for DIY products on Home Depot, Lowes, or Amazon to get a sense of the level of public incompetence in America. That might not be true in rural areas, but in those areas, the locally owned hardware store is a resource, if one still exists.
Many years ago (pre-Internet), I had a similar question about DIY auto repair. Someplace where one could rent a lift, had compressed air, and a few specialized tools. They still exist in the vicinity of Ft. Cavazos (formally Ft. Hood, TX):
https://cavazos.armymwr.com/programs/sprocket-auto-craftsI was surprised to find that.
For typical American cities and towns, something like that would have to be volunteer. That is, I don't see it could ever be a thriving business and one would need a screening process for both the helpers and users. Security from theft would also be a problem. Just look at all the locked shelving we now have at retail stores.
Editt: spelling