S.W.
To put in perspective, my kids attend a Kindercare Learning center. The daily rate for fulltime care for kids 3yrs+ is $46/day. An infant is close to $60/day. With more than one child, I get a 10% discount off the cheaper kid. So, you would be paying a bit over $500/week at a center. I am not sure what is fair for your provider. But, you really need to talk with her about it. I would think $50/day for the baby is a fair price. That puts you at $450/week for both kids, which saves you $57/week over my center.