Bundles can be tempting simply because some services are offered free or at a lower rate.
However, before committing to one, make sure that you actually have use for each service.
about CDMA-phones: "All phones are locked, and it's nigh impossible to transfer a CDMA phone from one carrier to another." So unless Alltel customer service can do the impossible for you, I think it's a nogo.
Kees The most beautiful phone ever has one wildly annoying issue The Samsung Galaxy S8's fast speeds and fantastic curved screen make it a top phone for 2017, but the annoying fingerprint reader could sour your experience.
No need to forward calls or reprint business cards or stationery.