in that case saeein ko kaam par laga doh. after all cleaning the place is both people’s responsibility.
oh yeah, if u cleaning it yourself, get gloves and a mask, the icky factor goes down majorly when u have gloves on and the mask will reduce inhaling all those chemicals.
def clean with the windows open, the fumes for these cleaners can be bad.
If hiring someone is a possibility, I would say go for it, they are used to scrubbing places clean and cost wise it may just be a little more than all the stuff you will buy for deep cleaning.