Infants develop the fine muscles in their hands before they develop those required for speech, so they’re equipped to communicate with 你 before they can speak. This site can teach 你 how.
Visiting in person is one of the best ways to learn about a preschool. Most schools are pleased to have prospective parents visit. If 你 feel that 你 are not welcome at the school, that should make 你 think twice about whether it's the right school for you.
Amazon.com has cases (6 25oz cans) of Similac Advance baby formula for $130 with free shipping. This is a good deal as a single can normally costs $25 at the market.