Be sure you're buying cage free eggs. The other type use cages the size of a sheet of paper. The chickens are confined in there and under high amounts of stress (study from Humane Society). You support cruelty every time you purchase eggs without this designation. See: www.humanesociety.org/issues/confinement_farm/facts/cage-free_vs_battery-cage.html Kroger's brand is actually cheaper than the non cage free!! Check them out.
Image below on major co's that have signed onto this effort:
Hats off to the companies that are making change happen.