However, I would encourage anyone going this route to think closely about the incentive structures behind the product they're building, and validate them with real estate agents, photographers, and sellers. It's a lot more complicated than what many of us may give it credit for.
Always have your own documentation.
However in the current climate and social adjustment afterwards - such services and uses will certainly see an increase in usage and virtual viewings may well be more the norm.
They really helped me as a buyer and while I don't know what they cost, I think I'd spring a couple hundred dollars to have it whenever we sell our house.
I think the biggest problem is that as a seller, I want qualified leads, but I get the feeling realtors just want leads because there's always another house. This mis-alignment of incentives means that in my experience listing agents don't always want to take steps that would limit foto traffic to a property, even if it would be excluding parties that probably wouldn't buy.