I lived in a developing country (China) for 9 years and could never bother with a maid if even a cleaning service. The logistics were just too huge for me, as a non native, and it didn’t seem to be worth it. I had friends who had babysitters, but more the part time kind and labor costs rose rapidly in the last decade. But the biggest thing is: the expats were often seen as poorer than many of the natives. The rich Chinese in Beijing had drivers, maids, etc… it wasn’t so common for the foreigners. I’ve felt the same way in Manila, Bangkok, the only place that seem to be where foreigners come out as the rich people are tourist towns (like Phuket, Bali, Boracay) designed completely around extracting their money. But admittedly, none of those places are truly third world.