Boosters, in my experience, have really just become a nuisance rather than an egg-citing feature. I feel like the game is constantly throwing low-value boosters at you unless you purchase them in the pack. Anymore, I usually have several boosters lined up that need to be trashed. Even then, the standard 3 slots is just downright annoying. I wish they would permanently let you unlock additional space like you can with the production machines.
