ya, start the countdown. If the emails really bother you that much, tell her your having trouble with your internet and you're not able to check emails that's regularly so she's best to call you with concerns.

And if these questions you're asking her are important to the care of her child, have a list ready at drop off and ask her face to face. " I emailed you this to you, but I guess there was a misunderstanding... " then start your questions.

She's obviously not a good fit for your daycare.