I am having a cleaning lady come to my house for an estimate Saturday. I need someone to assist with a deep clean - washing floors and bathroom walls and windows, things that I just don't have time to do but need to be done to have a truly clean house. If it goes well I'm thinking of having her come monthly. It is just me and my husband in the house. Any tips for cleaning ladies and things I should know? I heard about my lady from a referral from my aunt's friends, 2 who use her, but I don't even personally know the referrers.