http://www.hbb.fi/eng/rules.htm
- change of host, either due to your wish or as a consequence of your date change:  normally like a cancellation and a new resrvation   (reservation)

http://www.hbb.fi/eng/faq.htm
You will have a bathroom of your or ...

cleaning of the room   -> in most cases cleaning of the room


http://www.hbb.fi/eng/hosts/Helena.htm
DIYS weekly cleaning.  (DIY)

http://www.hbb.fi/eng/booking.htm
In three steps you can reserve and confirm ... (secure?)