It involves a customer with a lot of money to waste.
I just provided some last minute aid to someone setting up a remote "Bat Mitvah." They had booked the entire main ballroom of a downtown hotel, for what would be 17 people on site in the actual room. Stage setup, backdrop, lighting, graphics marking 17 individual "dance floor for one" areas each with it's own overhead lighting. TV monitors, return monitors, a DJ, camera and live zoom meeting with all the invited guests not able to be present.
Over $30k I would estimate (and I have a tendency to under-estimate.)