I don't have a housecleaner but I know people who do it as a business and most get an hourly rate of $12-$15 an hour, depending on what is expected. They use their own supplies and do not do windows (at least the ones I know don't). I cleaned houses for a bit in college (so 10+ years ago) and I got $10 an hour then with a minimum of 2 hours.

Hope that is helpful

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Proud to say I haven't shopped at a Wal-Mart since Sept 2003