the next house idle will contains a level 10000+ area. you can acces it when you bought everything. you can buy the 10 mil cost upgrade called awesomeness. its give you a prament 10K % coin buff and unlocks the final secret upgrade to everything. there just called awesome upgrades. and when you bought everything you get all secret stuff (like the $ necklice) and unlock the achienment. and you can switch on/off awesome mode.
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