It's not rocket science.
The poison they spray needs to be cleaned from the carpets too.
All of our complexes always exterminate before any cleaning gets done. Any cleaning.
If you’re comfortable using an insecticide containing insect growth regulators then you can indeed gain some control over the rate the eggs hatch, but you can’t guarantee complete control. Thus the reason most pest control professionals recommend residuals. View: https://youtu.be/juv-DZOrSj8?si=9sR_HBdsroGonBzh