That’s all well and good. And if the maid doesn’t show?
Then I explain it to the Guest that because HE Instbooked the room, here is when the Maid can come to address any issues he might find. If you want perfect presentation the you need to allow enough lead time for those requests to be meet, he after telling him the maid will not be there for XXX than he can get full refund before arriving and find another listing or learn to plan ahead on his next reservation or he can choose to accept the situation he created.