I think event items should become available for free eventually. Or added as a scenario half a year after the event ends. But I could see early buyers rewards becoming available with moola after a while.
The lots in each new world are already limited to items from the new pack and base game. This means the lots feel very similar to ones in previous packs especially starter homes. Patching these reward events items into the base game could be very helpful when we get a new EP. This means townies in the new world could have more unique houses that are more catered to the personalities. Sometimes the reward items may be cheaper than what we currently have in the base game therefore giving starter homes are premium look but for a cheaper price.
