So, according to the current +Ingress
exchange rate between USD and CMU (depending on volume discount), the item prices in USD break down as:$0.75 - $1.92
/ Portal Fracker$1.49 - $2.96
/ Key Locker$0.22 - $0.35
Personally, I see no use for Portal Frackers if one is proficient at Glyphing. And Beacons are equally superfluous as your team can simply generate a KML equivalent in Google Map Maker for free. Even better, Map Maker will allow you to choose your own custom logo for your "Beacon" and you'll be able to see it on Google Maps much further away than you would on the Scanner. That leaves the Key Locker, which is arguably the only truly irreplaceable item in this list. If I go for the value bundle, I'd be hard-pressed to think I'd ever need more than 500 keys at any given moment. So why would I ever be incentivized to purchase anything other than the $10 CMU bundle, especially since these items aren't transferrable?