Even Microsoft suffers from servers outage. Zoom is probably the best one for. How about Google Meet. It really needs a new sets of technical expertise and those who can achieve this will probably be the next market leader.
The pandemic will speed up technological advancement, but only time will tell.
I'm liking the idea of helping the neighborhood, but package shipping is quite fast these days with overnight shipping. Selling product via an online store only meaning you don't need to pay for physical store, which means cheaper product or higher margin.