I can see why Dollar Tree might not want to be dealing with price volatile products like eggs, though I think they should because dollar shops and quik-trips are where folks get food in neighborhoods without grocery stores. Anyway, their reasoning sounds flimsy at best when egg prices are dropping.

https://www.cnbc.com/2023/02/07/wholesale-egg-prices-have-collapsed-from-record-highs-in-december.html