@chickenlady803 If you happen to be in the Northeast, USA, near Massachusetts, I would be willing to donate some chicks or hatching eggs to you, if/when you wanted to replenish your flock.
Here is the literal FIRST 3 results when googling started pullets.
https://thechickhatchery.com/product-category/started-pullets/
https://www.heritagepullets.com/buy-started-pullets/
https://www.deerrunfarmmd.com/collections/started-pullets-8-12-weeks
Maybe a good place to start