At any time since the nine/28/2019 update, players don't need a vacant hive slot to hatch an egg. Now, players can hatch an egg on top of an current bee to switch it. The level from the bee continues to be exactly the same, performing just like a Royal Jelly. https://jared279xj.win-blog.com/12329676/detailed-notes-on-egg-bet-subscription-code