that's when AI is complete and utter nonsense. FIRST: he doesn't have any visa, he has a "stay permit" and this stay permit got a number - which is handwritten into the upper left corner. If ANY, then this number would be the correct one. However the field "visa number" is not mandatory, so he can leave it empty. The number you gave him is the number of the single re-entry permit !
you might have to travel a bit further to find something in the Eesan that can be called hotel. I live in the Eesan for 27 years and I can only tell you: get your A into motion. There are resorts, and there definitely also are some hotels
a foreigner cannot get a house registered to him. he cannot get a blue housebook with his name in it, nor can he get named as owner on the Land paper the house is sitting on. WHAT are you talking about?