As stated by Canada Revenue agency: "If you are an employer you are responsible for deducting Canada Pension Plan (CPP) contributions, Employment Insurance (EI) premiums and income tax from remuneration or other types of income you pay, remitting them to us and reporting them on the applicable slips"
I will say go with your gut feeling. You will leave your most precious being with someone else. You need to feel comfortable with that person. Have you asked about her (or any other provider) sleeping, discipline, eating, etc philosophies and see if they are similar to yours? What she thinks about free play, structured activities, etc? and see if what they are offering is what you are looking for.