@Judith630
I do sometimes get requests for 'tours' prior to booking, which is not so strange given that I host long-term and the ones who ask are looking to stay for a few months. I get it. I would probably want to see somewhere before booking for a few months, especially if I am local and it's not a difficulty to visit.
However, I still say NO. Not only is it against Airbnb policy and you could get stung for it, many times these guests are looking to book off the platform, which is complicated and, if I wanted to go that route, I wouldn't bother with Airbnb. I would just do normal rentals. Part of the appeal for me with Airbnb is it takes away all endless back and forth doing viewings etc.