Tell her to build a house cleaning website on Wix, or something similar.
Name the website after the neighborhood or area.
Pass out "flyers" in the neighborhood to advertise the service and website.
Bring the kids with her on the job, that's just like her cleaning her own home.
Bundle it with baby sitting : watch your kids, clean your house.
Or
Join some service like homeaglow :
https://www.youtube.com/shorts/AT5CZ-rhTXY
