Hello Yvette, Welcome to BYC, You found an Awesome Forum to be a part of with lots of great knowledgeable members who are more then willing to jump in and help you with any questions you may have.
Welcome to this amazing community! So glad you've got started, it's definitely a journey. @sourland makes a valuable lesson... I had to downsize from 6 to 3 pretty quick once they were 4 months old. Always best to go bigger and have enough room that not.
My biggest lesson was research before doing something. Impatience can cause many avoidable mistakes.
Wishing you all the best !!!
Welcome to BYC Yvette! I agree with the others, if you only want 10 chickens, build a coop that will hold 25. Because chicken math is real.
And don't skimp on the ventilation.