40,000,000 divided by (5*12) comes to about 666,666.66 baht per month. Renting does look heavenly.
That 49% of a condo building was relaxed for a while; then reinstated so those over the limit allotment HAD to sell to a Thai. Just wait til after 5 years (if)the law is rescinded and you got to sell your Rai to a Thai. That's gonna hurt, even rich retirees.