@Lawrene0@Joseph302
To be honest i'd be really tempted to this....
Assuming the guest is already there right now keep the booking a 91 day stay (or go over a few days to when suits you in the week for the next part)
After 91 days (or 95 whatever) book 5 SEPERATE 1 day stays at a super low price.
Book another 91 days (or 95 whatever) and (you guessed it...) book 5 SEPERATE 1 day stays at a super low price.
Then just book for the remainder of you stay.
Why tiny price for the 1 night stay? Because if the nightly rate on the small stay is low, your taxes are going to be tiny, (persuming superhost means enough to you to pay £2 per night tax on 10 stays, i'm assuming here the minimum price of £10 per night)
Why split the small bookings up and spread them? - Because if you do them all in one go at the begining, them you might have a problem a year from now when you've had a long stay for ages. If you did them all at the end you might struggle now if you're low on bookings at the moment, also at the end risks the guest leaving early and you not having any!)
All the long stays are tax exempt, so no worries, the short stays are tiny so you should be able to take the hit on £2 per stay for 10 stays. (might want to ditch the cleaning fees)
Also if you're about to review the guest half way through the stay it should remind the guest it's an airbnb, it's your home, not a long term let, and they might be motivated to tidy a little more around 'review time'.
It's fairly normal in rental places here to have a 6 months landlord check (so just compare it to that)