Actually for the air BnB rental, I think it would be real sweet to think of some way you can make procedural inputs from suggestions from the current guests, an

Actually for the air BnB rental, I think it would be real sweet to think of some way you can make procedural inputs from suggestions from the current guests, and send the resulting design to them in a choice of mug or mouse mat or tea cloth or what have you. The dates of their stay and so on . . But be sure to advertise on the output, naturally. Anything you can do to multiply good word of mouth is (deductable) pennies well spent.