Optimizing only production
Egg output, processing, storage, nest slots, and merge inventory form one system; improving only one part can move the constraint elsewhere.
Ignoring owned intermediate chickens
A merge plan based only on base-tier copies overstates what remains and can lead to unnecessary buying.
Calling one chicken universally best
Update 8 balance changes and missing current stats make universal named rankings unsafe; compare farm value with your own consistent measurements.
Treating infinite-farm videos literally
Popular videos show the growth fantasy, not a guaranteed formula. Use them for route ideas and current game values for decisions.