What to Expect During Home Visits for Retirement and Marriage Visa Applications in Thailand?

On home visits for retirement and marriage visa issued at Chaengwattana: so as reported yesterday I applied for change of US tourist visa to 90 day O for retirement, with both bank balance )฿800K and US Embasy letter as to income and residence. They approved me to come back in 2 weeks to get my passport stamped. But they said officers would visit my rented condo, had me draw a map and give phone number. Today 2 officers visit-pleasant, limited English. They spoke to my Thai landlord, he said they told him to register me if he hadn’t, but didn’t check. They took pictures of me, condo, contract, bankbook, landlord’s ID. Then they said they needed a Thai that knew me to come in person and sign papers. I don’t know neighbors nor the guy at juristic office. The landlord sent a family member to be my new Thai friend. The officer showed me his work for the day–pictures of about 6 other Farangs, some with Thai wives/girlfriends. Just to let everybody know. I had my papers in order..,