Strict baseball camp?

i am going to a baseball camp with a very strict coach. i have to wear solid sweatpants and solid t shirts. i have to have a bat, glove, batting gloves, baseball socks, and two solid baseball caps. wear can i get the shirts and sweatpants and batting gloves all for under $25.00. how should i act for the coaches? e.g., be respectful. things like that. i do not want to get yelled at. thank u in advanse.