Join Sittercity.com and take 25% off your membership when you use code LUCK25 at checkout. The one-month membership drops from $35 to $26.25, a three-month membership lowers from $70 to $52.50, and the annual memberships drops from $140 to $105. Whether you offer childcare or are looking for a reliable babysitter, this site provides background checks and references. It also posts senior and pet care providers, nannies, house cleaning services, and tutors. You can try the membership free for 7-days.