Cleaning & Laundry

I try to dust and vacuum every 6 months or so. I clean floors maybe once a year. If the walls need cleaning or painting I just move to a new house. You?

I want to know the time that cleaning companies normally spend to clean a medium house? And a small one? big one? How much does it usually cost per hour?
What is VAT? Do the companies usually includes VAT in the total price of the cleaning?
How many cleaners usually go to our house to make the [...]

This would aid in compacting the bulky garbage and recyclables in home.