I had a coupon advertisement for my first $50 off my first 2 house cleanings from Amazon Home Services, CLE4NR18.
For instance, a 2 BR/2BATH 1000-1500 sq ft house is $37.50/per after discount.
https://www.amazon.com/b?ie=UTF8&node=
Price obviously will vary based on your region.
https://www.amazon.com/b?ie=UTF8&node=