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With a month to month lease, the landlord can give 30 day notice for you to vacate. Basically, he's saying he just doesn't want to renew the lease which doesn't require a reason. Kicked out is not the proper term. Thirty Day Notice to Vacate would be the term. The agreement is month-to-month by your own words.
If you have a month-to-month lease, then not only can your landlord sell the property, but he can also give you notice to move out without providing any reason. A month-to-month lease doesn't have any expiry date and only renews each month if both the landlord and the tenant want to continue the rental arrangement.