If you are new with airbnb and you wanna know what is the difference between a host and a super host, then I suggest you to stay with Olga.
I had a short stay with her, but since I was interested to book that place, Olga replied my messages in time and she was very clear about the distance between her place and the main city and the covid rules in the house (which they are not out of normal and make a lot of sense)
After we both accepted, she gave me pretty clear instruction on how to reach her place from the airport, which was super useful, specially for someone who doesn't speak Greek besides "kalimera".
The place is super clean, quiet, there is a nice balcony. Everything was great, there is nothing that I can complain about.
Also I got some suggestions about where to go. She is very friendly and open to help you.
If I ever need other airbnb in Thessaloniki, I will not hesitate to contact Olga again